OIAMTO FK-399-TitBNK 3-in-1 Waterproof Electric Shaver with 4D Floating Head
Product description
Technical details
Some grooming routines call for a close shave, while others also need quick nose and sideburn touch-ups. The OIAMTO FK-399-TitBNK brings these tasks together in one waterproof electric shaver. Its 4D floating head is designed to follow facial contours, and the magnetic removable head makes cleaning straightforward. Need a single device for several parts of your routine?

- Type: 3-in-1 electric grooming kit for shaving, nose trimming, and sideburn grooming
- Shaving head: 4D floating heads with curved foil and dual-gap mesh
- Blades: 51 widened blades
- Motor: 9,000 RPM high-torque motor
- Charging: USB-C, full charge in 1.5 hours
- Display: Digital display for battery level and motor speed
- Design: Waterproof, magnetic snap-on/off head, and travel lock
- Included: Replacement blades


The flexible shaving head follows the jaw, cheeks, and neck, while the dual-gap mesh is designed to capture different hair types and help protect sensitive skin from irritation. The manufacturer describes the shave as close to 0.1 mm. For longer beard growth, trim first and then shave the stubble for a smoother, more comfortable routine. The motor is designed to cut efficiently while reducing pulling and tugging.

How to use it
For a dry shave, use the shaver on its own, for wet grooming, the waterproof design supports use with water. Choose the shaving, nose-trimming, or sideburn-grooming function to suit the task. If your beard is longer, shorten it with the trimming function before shaving the remaining stubble.



Before the first use, fully charge the shaver. USB-C charging brings it to a full charge in 1.5 hours, and the digital display lets you check the battery level and motor speed. When grooming is finished, detach the magnetic head and rinse it under running water for cleanup. The travel lock helps prevent the shaver from switching on while packed for a trip, making the compact design practical for a gym bag or travel kit as well as a home routine.
In the box

Replacement blades are included, giving you blades to use when maintaining the shaver. The removable head also provides direct access for rinsing after grooming, so routine cleanup is simple.


Questions before you buy

Can it be used for wet and dry shaving? Yes. The shaver is described as waterproof and designed for both wet and dry grooming.
How do you clean the shaving head? Detach it using the magnetic snap-on/off design, then rinse it under running water.

What grooming tasks does it handle? It combines shaving, nose trimming, and sideburn grooming in one device. For longer beard growth, trim first and then shave the stubble.
Is it worth it?
Buyers highlight the shaver’s effectiveness and close-shave performance, with one comment noting a comfortable shave without skin irritation. Those are customer impressions rather than a guarantee, but they align with the product’s contour-following head and dual-gap mesh design. Buyers also praise its value. For someone looking to consolidate shaving and detail grooming in one waterproof device, the combination of three grooming functions, USB-C charging, a rinse-clean magnetic head, and a travel lock makes the FK-399-TitBNK a practical fit for everyday care and travel.
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