1.The cutter head is ceramic, it just looks like plastic. （You can test it with a knife, if there are scratches，it is plastic, if not，it is ceramic）

Feature: ① Copper core motor, high speed, low noise, stable and not stuck. ② High-quality ceramic moving blade, easily clipping off various hair and will not hurting the skin when operation. ③ 5-levels LED battery indicator, warning indicate the battery status. ④ R-type obtuse-angle blade, prevent accidental injury, and gently touch the skin

⑤5 Gear free adjustment, rotary adjust for hair trimmer at any length,adjustment range: 0.8-2.0mm, and equipped with 4 limit combs(3mm / 6mm / 9mm / 12mm), with it, you can freely control hair length. ⑥ T-shaped stainless steel blade, sharp and safe,ensuring efficiency and durability. ⑦ USB charging ,Cordless and battery dual use, no longer to worry about no electricity, more convenient for use.

Specification: Voltage: DC5V Power: 3W Battery capacity: 1200mAh Charging time: about 3 hours Using time: 1 hour 5 Gear free adjustment:0.8mm,1.1mm,1.4mm,1.7mm,2.0mm 4 limit combs: 3mm / 6mm / 9mm / 12mm Line length: 98cm±2cm Charging display: A flash Blue light means charging is occurring, A solid Blue light means the unit is fully charged.

Package Content: 1 x hair clipper 1 x Cleaning brush 1 x USB charging cable 4 x Limit Combs 1 x User Manual 1 x comb 1 x sponge

Our movable knife is ceramic. Detection method:Scrape the movable knife with a metal knife. After scratching, the ceramic movable knife will not be damaged. If it is a plastic knife, it will be damaged by a metal knife. Our movable knife is made of ceramic, so our ceramic movable knife will not be damaged!