Five Speeds Cordless USB Interface Electric Pet Dog Hair Clipper with LCD Display Battery : 2000mAh lithium battery * USB charge (charging time :4hours /working time: 3-4hours) *Adjustable blade : 0.8—2.0 mm *Five speeds design *Low noise design *Ceramic moving blade * LCD indicator : 1)speed : 1level(5000rpm)/ 2level(5500rpm) /3level(6000rpm) /4level(6500rpm) /5level(7000rpm) 2) Battery available time. Application: Outdoor, Hotel, Household Power Source: usb Power Supply