Please feel free to contact us if you have any problems. We will provide you 100% satisfaction solution. 30 mins fast charging, can be used for more than 30mins. Using the USB interface, charging is convenient, and the computer, notebook, mobile power supply, etc. can be charged. Small in size, you can easily slip it into your jeans pocket and take it. Suitable for air travel, business travel, office, car, on the go, camping, and more. Shaving, removing leg hair, armpit hair, chest hair, body hair, etc. can be done in one machine, only one Mini Portable Electric Shaver is needed at home to take care of men and women. The motor speed is as high as 6600rpm, which is twice that of ordinary electric shavers, and the shaving is accurate and safe. Even in the case of low power, the motor speed can be stabilized, effectively preventing the beard from getting stuck in the shaver, and realizing painless shaving.