With travel safety lock function, and hold for 3 seconds to lock the machine, and and hold again for 3 seconds to unlock Voltage: 5V Charging method: USB charging Battery information: 600mAh lithium battery Rated power: 5W Charging time: about 120 minutes Full charge available time: about 60 minutes Designed for whole-body hair removal, such as the face, beard, underarms, leg and bikini area. It can determine different hair lengths according to the replacement of the limited comb, remove excess hair, do not pull the hair, and make the skin smoother. washable; can be used in the bath or shower; easy to clean under running water.Build-in battery indicator, keeping abreast of the power situation;the charging indicator light during charging;with induction lock, long 3 seconds to lock the machine, long 3 seconds to start the machine, prevent trouble caused by wrong boot. Fit for all people of man and woman, It is suitable for women's and helps to reduce men's unnecessary embarrassment.Enjoy a more comfortable and excellent shaving experience. Material: plastic+metal colour: Package Contents: 1 x host 4 x shaving head 1 x USB cable 1 x cleaning brush 4 x limiting comb Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.