KIPRUN Mini Cordless Drill Power Tools Electric Rotary Tool 5 Speed 3.7V Drill Grinder Grinding Accessories Set Wireless Engraving Pen For For Jewelry Glass Wood

【Specification】Type name: 5-speed-DrillCharging time: 2hoursCharge Voltage: 5V DC (USB)Collect Chuck Diameter: 0.5-3.2mmSpeed: 5000/7000/9000/12000/15000rpmEngraving Out put Voltage: 3.7VRated Input Power: 10WRated Voltage: 110V~220VSize: 1522cmWeight：about 170g【Package Includes】1 x Electric Grinder2 x twist drill bits(drilling)2 x diamond bits(Engraving)5 x grinding stones(polishing)6 x Collets（0.5/1.0/1.5/2.4/3.0/3.2mm)1 x cut wheel for small cutting1 x mandrel for small cutting7 x Polishing Accessories（felt polishing wheels2 screw mandrel1; sanding bands3; sanding drum1 )1 x Type C USB charging cable1 x User manual