KIPRUN Mini Cordless Rotary Tool with Work Screen Electric Rotary Tool 3 Speed 3.6V Drill Grinder Set Wireless Engraving Pen For Jewelry Glass Wood Cutting Grinding Polishing

【Product parameters】Type name: Mini DrillBattery: LithiumCharging time: 1-3hoursUse time: 1-3 hoursCharge Voltage: 5V DC (USB)Collect Chuck Diameter: 0.5-3.2mmSpeed:5000/10000/15000rpm/minEngravingOutput Voltage: 3.7V / 10AProduct Size: 15.2 x 2.5 x 2.5cmItem Weight: 85gPackage Weight: 176gBattery Capacity: 1500mAh【Package Included】1 pcs USB Electric Drill1 pcs USB Wire(5V DC)1 pcs Clamp Mandrel1 pcs Rubber Wheel1 pcs Tapping Rod1 pcs Circular Saw Blade 2 pcs Diamond Grinding Needle2 pcs Wool Polishing Wheel3 pcs Sandpaper Circle3 pcs Twist Drill Bits5 pcs Wheel Grinding Head6 pcs Electric Drill Bit Collet(0.5mm, 1.0mm, 1.5mm, 2.4mm, 3.0mm, 3.2mm)1 pcs Storage Box