Specification: Material: metal Power: 5W Voltage: DC5V Battery capacity: 1200mAh Charging time: Approx. 3 hours Using time: Approx. 60 minutes Charging indicator: red light on while charging, green light on when fully charged USB cable length: 57cm±2cm Item size: 14.3×3.9×2.4 cm Feature: Superior Blade: Precise steel cutter head made of titanium material is safe and sharp, not easy to heat up, ensuring efficiency and durability.