# JoyKoi FK8790 6D Rotary Head Shaver

The JoyKoi FK8790 head shaver is a cordless rotary model with a flexible 6D head, USB-C charging and wet-or-dry use claimed. The listing states up to 180 minutes of use per approximately one-hour charge, but does not give the conditions for that runtime.

- [Original product page](https://bargainpostbox.co.uk/product/joykoi-fk8790-6d-rotary-head-shaver)
- [View offer](https://bargainpostbox.co.uk/visit/joykoi-fk8790-6d-rotary-head-shaver)
- Market: UK
- Language: en-GB
- Currency: GBP
- Brand: JoyKoi
- Model: FK8790
- Category: Beauty & Health > Personal Care Appliances > Shavers & Epilators
- Price: 29.98 GBP
- Previous price: 39.99 GBP
- Discount: 25%
- Price checked: 2026-11-14T10:08:03.323Z
- Rating: 4.4 / 5
- Reviews: 1118

Prices and deal status are the latest recorded data, not a guarantee of availability. Confirm the price and availability with the store.

## At a glance

- Flexible 6D floating head is described as following the curve of the head.
- Listing claims wet or dry shaving and IPX8 waterproofing.
- USB-C charging, LED battery display and travel lock are listed.
- The listing claims up to 180 minutes of use after approximately one hour of charging.

## Pros

- USB-C charging and a battery-level display make charge status easier to check.
- The claimed wet-and-dry use and washable design offer flexible cleaning and shaving routines.
- A storage box and protective cover are listed for storage and travel.

## Specifications

### Identity
- Brand: JoyKoi
- Model: FK8790
### Shaving
- Head type: Rotary
- Number of blades: 6
- Blade material: Titanium
- Colour: Black & Gray
### Power and battery
- Power configuration: Battery Powered
- Charging: USB-C charging
- Claimed runtime: Approximately 1 hour of charging can provide up to 180 minutes of usage time.
- Battery: 1 Lithium Polymer batteries required. \(included\)
### Use and care
- Water resistance: IPX8 waterproof
- Travel feature: Travel lock
### Dimensions and weight
- Dimensions listed: 8.2 x 6.9 x 8.2 cm; 400 g
- Weight listed: 400 Grams

## Before you buy

- Runtime is a listing claim and the operating conditions are not specified. The title describes a head shaver, while the recommended-use field says Face. Check that the intended shaving area suits your needs. The listing gives 400 Grams and also 400 g in the dimensions entry, with no separate net-weight clarification.

## In the box

- 1 x Head Shaver (Included)
- 1 x Cleaning Brush (Included)
- 1 x Storage Box (Included)
- 1 x Charging Cable (Included)
- 1 x Protective Cover (Included)

## A good fit for

- People looking for a cordless rotary shaver for head or face use who value wet-and-dry operation.
- Travellers who want USB-C charging, a travel lock and a listed storage box.

## Less suited to

- Buyers who need a clearly stated shaving-area recommendation or verified runtime conditions before choosing.

## Customer feedback

Customer feedback highlights ease of use and cleaning, smooth shaving, portability and perceived battery life. Those reported impressions are relevant to a cordless model with a washable design and travel accessories, but they do not verify the listing's runtime or waterproof rating. Aggregate ratings are mostly positive, though a smaller share are lower-star ratings, so experiences are not uniformly favourable.
- Positive themes: Customers report easy operation and cleaning.
- Positive themes: Feedback describes a close, smooth shave and appreciates portability.

## Frequently asked questions

### Can the JoyKoi FK8790 be used wet or dry?
The listing claims wet-and-dry use and IPX8 waterproofing. These are manufacturer claims rather than independently verified specifications.
### How long does the battery last?
The listing says approximately one hour of charging provides up to 180 minutes of use. It does not specify the conditions for that maximum.
### What comes in the box?
The listed contents are the shaver, cleaning brush, storage box, charging cable and protective cover.

## Alternative options

- [Head Shavers for Men, IPX7 Waterproof, 6D Magnetic Self-Sharpening Steel Blades, Smooth Shave in 3 Minutes, Wet & Dry, 180-Min Usage, Type-C Fast Charge, Easy Clean, LED Display, Gifts for Men](https://bargainpostbox.co.uk/visit/doao-a6-6d-wet-dry-head-shaver)
- [Maxgroom Head Shavers for Men, 7D Electric Head Shavers for Bald Men \| 7D Floating Removable Magnetic Head,Waterproof Easy to Clean,LED Display&USB-C Charge,Wet&Dry Use,Holiday-Ready,Dual speed](https://bargainpostbox.co.uk/visit/maxgroom-jk-1688-7d-electric-head-shaver)
- [Kensen 7D Head Shavers for Bald Men, Electric Head Shaver for Men, Wet and Dry Rotary Shaver, USB-C Rechargeable Razor for a Close, Smooth Shave](https://bargainpostbox.co.uk/visit/joykoi-fk8790-6d-rotary-head-shaver)
- [Head Shaver for Bald Men, 6D Magnetic Floating Heads, 120 Min Runtime \| USB-C Charging IPX6 Waterproof Electric Head Shaver, Wet & Dry Shaving, LED Display, Easy Cleaning, Travel Lock](https://bargainpostbox.co.uk/visit/joykoi-fk8790-6d-rotary-head-shaver)
- [3 Pack 6D Magnetic Head Shaver Replacement Heads for DOAO Kensen JoyKoi Kibiy AEXIRI Shaver, Magnetic 6 Blade Head Shavers for Men, Electric Razor Flexible Blades Wet & Dry Shaving](https://bargainpostbox.co.uk/visit/joykoi-fk8790-6d-rotary-head-shaver)
- [Head Shavers for Men, Upgraded 6D Magnetic Head Shaver \| Waterproof Wet/Dry Head Shavers for Bald Men, 2-Speed Mens Head Shaver Bald, Rechargeable Men's Skull Shaver](https://bargainpostbox.co.uk/visit/joykoi-fk8790-6d-rotary-head-shaver)

## Add-ons

- [Bee Bald HEAL Post-Shave Healing Balm Immediately Calms & Soothes Damaged Skin, Treats Bumps, Redness, Razor Burn & Other Shaving Related Irritations. Restore your skin's natural, healthy balance.](https://bargainpostbox.co.uk/visit/joykoi-fk8790-6d-rotary-head-shaver)
- [2 Pack Magnetic 6D Head Shaver Replacement Heads, 6 Blades Replacement Heads for Bald Head, Men's Shaver Replacement Head for JoyKoi Solimpia DOAO Singphere AEXIRI Head Shaver](https://bargainpostbox.co.uk/visit/joykoi-fk8790-6d-rotary-head-shaver)

## Images

![JoyKoi FK8790 6D Rotary Head Shaver — 1](https://bargainpostbox.co.uk/i/pkswqP3ozK4CIV1TQj2jnBYYJKbQWzYRKbLXRr_YN_8Qy_pv67gbZRQ2Ic1324s5mNnP6Phy-3_6cRSYeJgWFRnCcWQKhTqcJSOR0RCDHvi3fFuDMWL-IP2Z.jpg)

![JoyKoi FK8790 6D Rotary Head Shaver — 2](https://bargainpostbox.co.uk/i/t9LV7s3pxFbrcN6Yip7qCLv4sXqAiNXkDaEHNvNUCoDimADHVuZ8SsTvKX68EA6dyLwhcQMA5aTelicf5UZYELjBtXBHpRobAS0e7G3gn2dl3Vrz3igXBzSs.jpg)

![JoyKoi FK8790 6D Rotary Head Shaver — 3](https://bargainpostbox.co.uk/i/ZpaRz6pfZ9nwJmxGsIFM78H2DWm6_yDe9HuIWY-ewxyR5kXbSk8YL2vER0AzsWu1hW7VaTq83dIgCb139DZgJeY6WTPZbyDHI2PVX7aIQt46gpt6FO_7182y.jpg)

![JoyKoi FK8790 6D Rotary Head Shaver — 4](https://bargainpostbox.co.uk/i/6q6qEtxMLR-9WY9ii1fHfgfBOafY1SxtjLAYj-CR_Sf3BxAso7jUGQRCykbLbwIxSVjtGrruOhfbDSEp18VeMeKBXuOSSpYxVj7-9mt02KHP0wcEyknpAwdk.jpg)

![JoyKoi FK8790 6D Rotary Head Shaver — 5](https://bargainpostbox.co.uk/i/x1q2E6-2QCGnw_HjPNM9SEE5_Mz913_tcvPFbMrMYxl52CdgzZ4_8iCCQsu8tT2Prm8fXZAN3KLcQt3WEyt32XgGAOApv58-zFr_pr76sA6qYTGA0UpAVO1J.jpg)

![JoyKoi FK8790 6D Rotary Head Shaver — 6](https://bargainpostbox.co.uk/i/mzwQmELifmwb9_BzRyxCxapu6TicZp5_gmiPQK9tWQfD_bjA3_OdL6-zJpjcTpTtqgrWF1A02zhK-nc8wYMoSvA59iyBppoVOAt7LMu4QyZi5GtRY2rkHGKz.jpg)

![JoyKoi FK8790 6D Rotary Head Shaver — 7](https://bargainpostbox.co.uk/i/jSTZjULDPOSeubTiXFIpQkN5D6MAjbVnqPOuh-V5ch0GJawPoRq_HQRd6G5Jnsxgh3_96UWJd8MNTR5IfKszyHfpO3FWDyUY7HswQ9tZ0GSUfa0t3HWZHzDw.jpg)