Item Type: Electric Hair Clipper Material: ABS, aluminum alloy Battery Type: Lithium battery (built in) Battery Capacity: 3.7V 2000mAh Charging Time: 3.5 hours ( fully charged ) Use Time: 4 Hours (fully charged state) Package List 1 x Electric Hair Clipper 4 x Guide Comb 1 x Cleaning Brush 1 x Data Cable 1 x Instruction Manual 1Digital Display: Hair clipper features a digital display, which monitor the power level, which ensuring a precise and efficient haircut every time. 2Safe Hair Trimming: High density layout blade, gently touch the skin and prevent accidental injury, play the role of whitening trimming, and carving modeling. 3Adjustable Cutting Length: With 4 guide comb of different size, you can create a variety of hairstyles, from short and neat cuts to longer, layered looks. 4Quiet and Low Vibration: Hair clipper operates with low noise and vibration, minimizing the discomfort and the noise and vibration about 50db. 5Cordless Rechargeable: Men hair clipper is cordless, making it an ideal choice for travel or on the go grooming. It features a rechargeable battery that provides long lasting power.