【Feature】Mini size and lightweight for easy carrying and using. Humanized design, long time operation is not easy to fatigue.One button to adjust forward/reverse.Strong pure copper motor, low noise, long service time.High concentricity, small rotation, alloy gear, stable.USB rechargeable design, you don't need to worry its battery.【Specifications:】Torque: max. 3.5N.mWorking voltage: 3.7-4.2VNo-load speed: 2200r/minMain color: blackBit interface: 6.35mmRated power: 4WBattery: 3.7V, 2000mAhItem size: 175 * 43 * 43mmPackage weight: about 230g 【Packing List:】1 * Electric Screwdriver1 * USB Cable1 * User Manual1 * Screwdriver Bit---------------------------------------------------------------------------------------------✅Torx head security bits sizes: T8, T10, T15, T20, T25, T27, T30, T35 and T40.✅Torq head security bits sizes: 6, 8 and 10 mm. ✅Hex head security bits sizes: 5/64 in., 3/32 in., 7/64 in., 1/8 in., 9/64 in. and 5/32 in. ✅Hex head security bits sizes: 2, 2.5, 3, 4, 5, 6 mm✅Spanner head security bits sizes: 4, 6, 8 and 10 mm.✅Tri-Wing head security bits sizes: 1, 2, 3 and 4 mm�1 x 33pcs Screwdriver Bit