1.Power Charger:USB cable 7.4V 2A, 48W
2.Battery volumn: 1800mA X 2PCS,
3.Charging time: 3h, use 11h.
4.Motor RPM: 1800-3200

5.Powerful Brush High-Torque Classic Quiet Smooth Technology
6.5 speeds percussion function with LED indicators.
7.4 attachments for different effect.
8.Unique design with usb, easy to recharge, on computer or anywhere.
9.LCD indication, easy cooperation