Power supply: rechargeable Nail Clippers Battery specification: Polymer battery Battery capacity: 3.7V/250MA Charging time: about 3 hours Nail Clippers Continuous use time: about 3.5 hours USB charging voltage DC5V/1000mA Working mode: combination of cutting and grinding, cutting and grinding with lamp Nail Clippers Speed: first gear: 6200RPM Second gear: 6800RPM Grinding head type: 6 kinds of grinding head Shell material :ABS
