Gauze ring fixed shaft*1 Gauze ring*2 Emery grinding head*2 Grinder wheel with handle*2 High speed milling head*1 Nylon brush*1 2.4mm chuck*1, 3.2mm chuck*1, USB cable No-load speed: 5000/10000/15000 r/min (rpm) Chuck: 2.4/3.2mm Battery type: rechargeable lithium battery 3.7V 600mAh Charge port: Micro USB Battery indicator: Yes Charge time:2hour (5V/0.5A) Working time:100min Dimensions:145*31mm