Aug/02/2022

Last Update: May 22, 2026

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12 min read

Fun Factory G5 Big Boss Review: The G-Spot Vibrator That Goes Big or Goes Home

Scarlett Dellinger

I'm Scarlett “Delight” Dellinger, a certified Sexual Health Educator and Sexual Wellness Coach, passionate about helping people explore intimacy. My work has been featured in Sydney Unleashed, Stop Having a Boring Life and Venus O’Hara. Learn more about me or follow me on Twitter. I've personally tested every toy on this list - some more times than strictly necessary for research purposes. Here's what I found after putting them all through their paces.

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Hey there! Are you looking for a new big boss or dirty daddy to show you what it’s like to really and I mean *really* milk your G-spot hard with a huge 7-inch cock inside you? Well, it’s almost impossible to miss the Fun Factory G5 Big Boss due to its impressive size. Seriously, whenever I see something that big, my jaw drops and I immediately need to know what it can do. Anyway… What you need to know is that the G5 Big Boss has finally filled a hole (oh yes!) in the market for large G-spot massagers. Trust me, this bad boy looks like a big and mean realistic dildo, but it’s actually designed to hit your G-spot right every time and deliver seriously powerful G-spot stimulation! So if you wanna target your G-spot with super strong vibrations but you also need to feel the super intense pressure of a huge and thick shaft deep inside you, take a look at my Fun Factory G5 Big Boss review! Spoiler: the results were very, very good.

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Yes, Boss?

If you love G-spot toys, you know that most of them are small and that not all of them necessarily look like realistic shafts. However, the G5 Big Boss is on a whole other level. It’s basically a G-spot massager on steroids AND it looks like a huge dildo. Just open up and say “aaaah!” Good girl!

Basically, the main selling point of this toy is that it will give you a huge, delicious goober to play with and make all those G-spot sensations much more intense. Therefore, if you’ve always wanted to try a G-spot vibrator but were unimpressed with those tiny and portable hook-like massagers, this latest toy from Fun Factory will definitely become your new master.

Honestly, I completely missed the previous G4 version of this toy, so when the updated model launched, I was excited to see what had changed. The newer version introduces improvements that immediately caught my attention and made me curious to see how it would perform during this Fun Factory G5 Big Boss review.

But seriously, when I shop for products like this, I usually look for something that offers a more substantial feel and a premium overall experience. If you’re here reading this review, there’s a good chance you’re looking for something similar. Some people prefer slimmer designs, while others want something with a bit more presence and intensity. If you fall into the latter category, the G5 Big Boss is clearly designed with that audience in mind. The black version especially gives it a sleek, bold appearance that fits the overall personality of the product and helps set the tone for a more premium experience.

View Price On Funfactory.com

First Look: G5 Big Boss

As always with Fun Factory, you’ll get sophisticated German engineering and packaging. I always have a great time unboxing Fun Factory toys and this one was no different. The box is both luxurious, fun and definitely gives you that wow factor when you take out the outer slip. Then, you get a beautiful gold box with the words “Your Perfect Moment”. Whether you like all that cutesy stuff or you just want to get straight to the good part, here’s what you’ll get when you open the box:

G5 Big Boss
Magnetic charging cable (USB)
Instruction manual

Gulp! It’s Huge!

When I first grabbed this toy for my Fun Factory G5 Big Boss review, I had one of those “eureka” moments where my jaw dropped and I was ready to bend over. Sure, it’s better when that happens with a real handsome hunk. Still, just knowing there’s a toy out there that can get me to the same level of excitement is enough.

Anyway, what I was most impressed with from the start is the actual shape of the thing. Now, you’ll be looking at 6.6 inches of insertable length. Plus, the diameter is approximately 1.78 inches.

What’s more, you can clearly see that this realistic vibrator was designed to please any naughty size queen. The thick head has a gorgeous pronounced ridge. It looks like a match made in heaven for your G-spot! Also, the smooth shaft has perfectly-placed light veins. They will deliver additional massage sensations deep inside! Plus, the shaft is not straight or evenly tapered. It has a special texture that replicates the curvy and bumpy sensations of a real penis. Now, the curve is the cherry on top: it’s not too steep nor too light.

One thing I should say here is that the total length is around 9 inches. The other 2 inches are taken up by a finger loop handle at the base. Also, the white handle is nice and smooth and it comes with three buttons that you can use to control the action.

Fun Factory G5 Big Boss Review – The Specs

5 vibration speeds
4 vibration patterns
Finger loop handle at base
Fully waterproof
Medical-grade premium silicone
USB magnetic charging
Insertable Length: 6.63 inches
Diameter: 1.78 inches
Total length: 9.25 inches
Operating time: 120 minutes
Charging time: 6-8 hours
Colors: Cream, Pink, Black
Water-based lube only
24-month warranty (receipt required)
Not designed for anal use

Materials: Smooth Criminal

One of the things that I always loved with Fun Factory toys is their high-quality silicone material. You can squeeze and tease the Big Boss but the firm texture allows you to feel every inch!

Plus, you won’t have to worry about germs and other nasty stuff seeping into the non-porous premium silicone. Seriously, the material feels extra smooth and if you combine it with lube, it will be hard to tell the difference between the Big Boss and a hard wet cock.

Fun Factory’s silicone material is also incredibly easy to maintain, and it definitely helps that the entire toy is fully waterproof. That makes cleanup quick and straightforward, even after heavier use. Another nice advantage of the waterproof design is added versatility, since you can comfortably use it in places like the shower if that fits your preferences.

Size: The Bigger, The Better

Honestly, the Big Boss surprised me with a size that is just right. I have a feeling that the shape, length and thickness will be the perfect match for any admirer of larger toys. It even looks like a great tool to use if you’re not used to big dicks and you want to train until you can take them balls deep.

What I really enjoyed here was the balance between the length, thickness and weight. It’s not too heavy and the finger loop at the bottom balances it all out. Like I said, the cool thing here is that the curve is just right. It allows you to use the Big Boss hands-free. Still, you can always use your hand if you need an extra push. Another thing you can do is use the head as an external clit massager. It’s wide, soft and it can deliver all sorts of pleasurable vibrations in and around your clit.

Vibration Functions: Let That Sucker Blast!!!

Speaking of the actual vibration quality, I was impressed with the overall low noise factor on this thing. It’s not fully silent, but it’s still quieter than most other G-spot vibes.

Additionally, you’ll get 5 speeds and 4 unique patterns to play with. You can mix and match them to find your favorite setting for a deep internal massage or intense clitoral vibrations. When used externally, I found that the head felt very similar to a wand massager. Even at the lowest level, the vibrations were enough to give me a throbbing clit orgasm. And when I inserted it inside (slowly — it’s extra thick!!!)It filled me with heaps of intense pressure that I’ve never quite experienced with other G-spot massagers so far.

💡 Pro Tip: Don't start with the Razzle Dazzle or Aerobic Mode patterns on your first session. Run through the 5 speed settings on continuous vibration first so you can calibrate what your body responds to before introducing the pulsing patterns. The difference between speed 1 and speed 5 is dramatic and starting too high means you'll miss the nuance of the mid-range settings - which is where most of the G-spot magic actually lives.

View Price On Funfactory.com

Razzle Dazzle

The lowest “Razzle Dazzle” and “Aerobic Mode” settings were strong enough to send deep rumbles throughout my body and deliver full-body vibration that goes well beyond the insertion point.

What’s more, the pulse patterns and continuous vibrations felt fantastic when I pressed the head directly on my G-spot. Note that some girls will enjoy tiny movements here while others will love big thrusts. I tried various types of thrusting and hands-free fun and I slowly built up to an explosive G-spot orgasm. But, I also realized that this is a superb toy for edging. Just let go of it when you feel an orgasm coming and use it hands-free. You’ll sense a deep throbbing that extends way beyond your A-spot and cervix. The results can be intense – a waterproof mat is a wise precaution!

On a side note, I really wish they would have made this thing a little more anal-friendly. It looks purpose-built for it, honestly! However, the manufacturer doesn’t recommend it for anal. You can try it and get by if you keep a constant grip on the finger loop (I couldn’t help myself and it felt great) but if you’re a beginner, I would advise you to keep this thing far away from your bum.

Pros

Intense G-spot and clitoral stimulation – 5 speeds and 4 patterns give serious range
Realistic shape and size with pronounced ridge for targeted G-spot contact
Hands-free capable via finger loop
Quieter than most G-spot vibrators
Fully waterproof – shower and bath safe
USB magnetic charging
Medical-grade silicone: non-porous, latex-free, phthalate-free
24-month warranty – one of the longest in the category

Cons

6-8 hour charge time is long at this price point – most competitors charge in 2-3 hours
No app control or wireless connectivity – unusual at the $100+ price range
Not designed for anal use – the shape and size suggest it, but the manufacturer is clear on this
Water-based lube only – silicone lube will damage the material
No travel lock on the controls

Fun Factory G5 Big Boss Compared With Other Vibrating Dildos

	Fun Factory G5 Big Boss	Evolved Novelties Big Shot Squirting	The Swan Wand Rechargeable Waterproof Silicone Vibrator	Icicles No. 20
features	Approximately 9 inches long and nearly 2 inches thick, designed for substantial penetration Offers deep, powerful vibrations with 12 settings, including 6 intensities and 6 patterns Realistic with a G-spot-pleasing ridge and a flexible shaft that moves with your body Made from body-safe silicone, ensuring a pleasant texture and feel Intuitive buttons with a QuickSTOP function and an ergonomic loop handle for comfortable use	Designed to simulate ejaculation with a squirting feature for added realism Made from body-safe, phthalate-free silicone, ensuring safety and comfort Typically around 7-8 inches in length, providing a substantial experience Often includes multiple vibration modes for customizable pleasure Features lifelike detailing, such as veins and ridges	Luxurious, seamless and made from 100% premium silicone Dual PowerBullet motors for intense stimulation with seven vibration functions Fully submersible, allowing for use in the bath or shower Independently controlled vibrations with a press-and-hold technology for power adjustment Comes with a luxurious storage bag and a user manual	Hand-blown, hypoallergenic and non-porous glass Elegant and textured, with a sleek appearance Can be heated or chilled for different sensations Easy to clean with antibacterial cleaner and warm water Suitable for use in water
price	From $137.99	From $118	From $155	From $55
users	127	63	58	27
our rating	4.8	4.3	4	3.5
power	USB Rechargeable	USB Rechargeable	USB Rechargeable	2 x AA Batteries (not included)
material	Silicone	Silicone & ABS Plastic	Silicone	Glass
waterproof	Yes	Yes	Yes	Yes
brand	Fun Factory	Evolved Novelties	Swan	Pipedream
type	Vibrating dildo	Vibration squirting dildo	Pink vibrating dildo	Vibrating glass dildo
alergens	Latex-Free, Phthalate-Free	Phthalate-free - Non-porous	Phthalate-free - Non-porous	Phthalate-free - Non-porous
design	4.6	4.2	4.3	4
ease of use	4.5	4.5	4.2	3.8
orgasm	4.7	4.6	4.3	3.9
quality	4.7	4.4	4.2	4
noise	Moderate	Moderate	Moderate	Moderate
ease of clean	Moderate	Easy	Moderate	Easy
warranty	2 years	5 years	1 year	90 days

✍️ Scarlett Recommends: If the G5 Big Boss is a bit too much to start with, the Fun Factory G5 Miss Bi is a slimmer alternative from the same line - same German engineering, more approachable dimensions. Already a G5 convert and want to go further? The We-Vibe Rave 2 adds app control and a more targeted curve, while the Lelo Gigi 3 is the closest rival for pure G-spot precision at a similar price point.

Verdict: Is the Fun Factory G5 Big Boss Worth It?

The Fun Factory G5 Big Boss delivers exactly what it promises: serious G-spot stimulation in a realistic, premium package. The 6.6-inch insertable length, 1.78-inch diameter, 5 speeds and 4 patterns make it one of the most comprehensively specced G-spot vibrators in its price range. The 6-8 hour charge time and lack of app control are real trade-offs at this price point, but the build quality and vibration power more than compensate. If powerful G-spot stimulation and premium build quality are your priorities, the Big Boss absolutely delivers. Order it and thank yourself later.

Who Should Buy the Fun Factory G5 Big Boss?

Buy it if:

You want one of the largest G-spot vibrators available – 6.63-inch insertable length with a 1.78-inch diameter
You want both G-spot and clitoral stimulation from one toy – the head doubles as an external wand-style massager
You prefer a hands-free capable toy – the finger loop handle and upward curve make it genuinely possible
You want a long warranty – 24 months is among the best in this category
Premium German engineering and build quality matter to you

Skip it if:

You are a complete beginner – the 1.78-inch diameter requires some prior experience with larger toys
App control or partner remote play is important – there is no wireless connectivity
The 6-8 hour charge time is a dealbreaker – comparable toys charge in 2-3 hours
You want a dual-use vaginal and anal toy – the manufacturer is explicit that this is not designed for anal use

Mistakes to Avoid With the Fun Factory G5 Big Boss

Using silicone or oil-based lube. Fun Factory’s medical-grade silicone will be permanently damaged by silicone lubricants. Water-based lube only – every single time.
Skipping the charge cycle on first use. The G5 Big Boss ships partially charged. Run a full 6-8 hour charge before your first session to calibrate the battery and maximize operating time.
Starting at the highest speed. The jump from speed 3 to speed 5 is significant. If you go straight to maximum power, you’ll miss the genuinely excellent mid-range vibration quality that makes this toy stand out.
Attempting anal use. The manufacturer does not recommend this toy for anal use. There is no flared base – the finger loop is not a safety stop for anal insertion. Do not use it this way.
Storing it with other silicone toys. Silicone-to-silicone contact can cause surface degradation over time. Store the G5 Big Boss alone in its box or in a separate storage pouch.

👉 Name:	Fun Factory G5 Big Boss
⚙️ Features:	Extra Large (6.63 in insertable, 1.78 in diameter), 5 speeds, 4 patterns, Waterproof, USB magnetic charging, Finger loop handle
📁 Type:	Realistic Vibrating G-Spot Massager
🛠️ Materials:	Medical-grade silicone (non-porous, phthalate-free)

Size and shape: 6.63-inch insertable length with 1.78-inch diameter - among the largest G-spot vibrators available; pronounced ridge targets the G-spot precisely 5

Material quality: medical-grade silicone, non-porous, phthalate-free, fully waterproof and shower-safe 5

Curve and G-spot targeting: the upward curve with pronounced ridge is purpose-engineered for consistent G-spot contact during both thrusting and hands-free use 5

Design and ergonomics: finger loop handle provides excellent control; three clearly positioned buttons; hands-free capable; note - not designed for anal use 4

The Fun Factory G5 Big Boss Lowdown – What You Need to Know

This one’s for intermediate users who want deep vibrations with precision. The patterns work great for both clitoral and vaginal play and the size, shape and handle make it easy to use hands-free. It’s not designed for anal use, but as a vaginal G-spot vibrator with a 24-month warranty and a charging life of 120 minutes per session, it’s hard to beat.

Delivery is discreet, labeled only as “FF GmbH”. You get a 24-month warranty if you keep your receipt. This is one of the longest manufacturer warranties in the G-spot vibrator category. Avoid oils and creams – they can damage the toy and void coverage.

Made of medical-grade silicone, latex-free and phthalate-free. Always use water-based lube like Toyfluid – silicone or oil-based lubricants will bond to the silicone surface and permanently damage the material.

Wash with warm water and mild soap or use Fun Factory’s toy cleaner spray for deeper care. Store it dry, away from other silicone toys. Because the magnetic charging port is sealed, the toy is fully waterproof – you can rinse it under running water after cleaning. Keep silicone lubes away from the surface to maintain longevity.

It depends on your experience level. If you’re new to any G-spot stimulation, the G5 Big Boss is not an ideal starting point – the 1.78-inch diameter requires prior experience with larger toys. If you’ve used G-spot vibrators before but want more size and power, the G5 Big Boss is an excellent step up.

No. Fun Factory does not recommend the G5 Big Boss for anal use. The toy does not have a flared base – the finger loop handle is not designed or tested as an anal safety stop. Use it for its intended purpose: vaginal G-spot and clitoral stimulation.

Water-based lube only. The G5 Big Boss is made from medical-grade silicone – silicone-based and oil-based lubricants will chemically bond to the surface and permanently damage the material. Fun Factory recommends their own Toyfluid water-based lubricant for best compatibility.

Both are premium G-spot vibrators at similar price points. The G5 Big Boss wins on insertable length (6.63 vs approximately 4.7 inches) and charging warranty (24 months vs 1 year). The Lelo Gigi 3 wins on app control via the Lelo app, quieter operation and faster charging. If size and depth of stimulation matter most, choose the Big Boss. If app control and discretion matter more, the Gigi 3 is the stronger choice.

Fun Factory G5 Big Boss Review: The G-Spot Vibrator That Goes Big or Goes Home

Yes, Boss?

First Look: G5 Big Boss

Gulp! It’s Huge!

Fun Factory G5 Big Boss Review – The Specs

Materials: Smooth Criminal

Size: The Bigger, The Better

Vibration Functions: Let That Sucker Blast!!!

Razzle Dazzle

Pros

Cons

Fun Factory G5 Big Boss Compared With Other Vibrating Dildos

Verdict: Is the Fun Factory G5 Big Boss Worth It?

Who Should Buy the Fun Factory G5 Big Boss?

Buy it if:

Skip it if:

Mistakes to Avoid With the Fun Factory G5 Big Boss

The Fun Factory G5 Big Boss Lowdown – What You Need to Know

Who’s the Fun Factory G5 Big Boss for, how does it perform and is it built to last?

How’s the delivery and what’s the warranty?

Is the Fun Factory G5 Big Boss body-safe and what lube works best with it?

How do you clean, maintain and store it?

Is the Fun Factory G5 Big Boss good for G-spot beginners?

Can the Fun Factory G5 Big Boss be used for anal play?

What lube should I use with the Fun Factory G5 Big Boss?

How does the Fun Factory G5 Big Boss compare to the Lelo Gigi 3?

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