specification:brand name: kemeicolor: sliver and goldinput voltage: 3.7-5Vpower: 5Wcharging time: 2 hoursworking time: 120 minutesbattery: 1400mAh li-on batterypackage content:1 x machine1 x type-c usb cable1 x storage bag1 x brushThis ultra-powerful razors offers an appealing aesthetic in addition to top-notch precision and function. The hypoallergenic gold allows even the most sensitive individual to use the Finale without any razor bumps, ingrown hairs, or skin irritation. The lithium battery keeps the rotary motor running at full speed for up to 120 minutes per chargeFor your convenience, the kemei Finale comes with all accessories required for use. Package includes the razors, USB cable, storage bag, cleaning brush.Kemei TX3 is an upgraded version of Kemei TX1, with LCD display.Men whose skin is sensitive or easily irritated by shaving, or who suffer from a skin allergy, should test one section on the leg or arm before using the razors.