Beard trimmer Philips BT3665/15 with Full Metal Blades, 0.5–20 mm, 40 steps, cordless, black

The Philips BT3665/15 Beard Trimmer with full metal blades provides quick and precise trimming for even and clean lines. Its self-sharpening metal blades are designed to maintain cutting performance over time, while 40 lock-in length settings let you select lengths from 0.5 mm to 20 mm for exact, repeatable results. The trimmer is rechargeable with a Lithium‑Ion battery that delivers up to 80 minutes of cordless use and is fully waterproof for wet & dry operation.

Advantages

Self-sharpening full metal blades deliver consistent precision and long-lasting performance. The device offers 40 length steps with 0.5 mm accuracy, an ergonomic grip for comfortable handling, a battery indicator for clear charging status, and a Lift & Trim comb for an even cut. Its waterproof design allows easy rinsing and use in wet or dry conditions, and the Li‑Ion battery provides up to 80 minutes of runtime.

Suitable for

• Shaping and maintaining short to medium beards
• Trimming stubble with 0.5 mm precision
• At-home grooming and travel use
• Wet or dry trimming and easy rinsing after use

Key specifications

• Model: Philips BT3665/15
• Blade type: Full metal, self-sharpening
• Length range: 0.5 mm – 20 mm (40 lock-in settings)
• Length step: 0.5 mm
• Power source: Rechargeable Lithium‑Ion battery
• Runtime: Up to 80 minutes cordless use
• Waterproof: Yes (Wet & Dry)
• Color: Black

How to use

Charge the trimmer fully before first use and check the battery indicator for charge status. Select the desired length setting (0.5–20 mm) and lock it in. For an even finish, use the Lift & Trim comb and move the trimmer against the direction of hair growth with steady, light pressure. Rinse the blades under running water after use if needed and dry before storing.

Recommendations

For best results, start with a longer length setting and gradually reduce to the desired length. Regularly rinse and dry the blades after wet use and charge the trimmer periodically to maintain battery health.