1.Specifications: Power: 25W Voltage: 3.7V Speed: 5000-25000r/min Clamping Diameter: 2.35mm(Suitable for all 2.35MM specification grinding head, reducing drill etc) Size:125x16mm/4.92x0.63 inch 2.Features: -Cordless Rechargeable Design: With rechargeable lithium battery, you can use it anywhere and any time. - 3 Speeds Adjustment: 5000 to 25000 RPM output makes the rotary tool more prominent. 3 Speed gear selection can precisely apply to different situations, and make your projects easier and more professional. - Energy Saving: This electric drill powered by USB cable, which is eco-friendly, energy saving and convenient to use. - Portability & Convenience: Provided with the overload protection, let the work become safe and reliable; Ergonomics handle is for comfortable gripping, use anywhere anytime. - Variety of Bits Assortment: The accessories help to do different work like drilling holes, cutting , grinding, engraving, polishing, sanding, dust removing and others. - Wide Applications: Applicable to porcelain, stone, glass, plastic, thin wood, bracelet, etc. - Power Display: 1 light = 30% power, 2 lights = 31% - 70% power, 3 lights = 71% - 100% power. 3.Package Included: 1 x Electric Grinder Drill Pen 105 x Accessories (Optional) 4.Note: - It needs to be fully charged before the first use. - Please allow 1-3mm difference due to manual measurement. - Not suitable for large carving, punching, cutting, grinding project . - Slight noise and temperature during machine operation are normal phenomena. - When shipping,some powder might be Fallen on the surface of the accessory,please understand,they are totally new. #grinder #drill #engraver #carving #pen #rotary #polish #cordless #dremel #sanding #cutting #rechargeable #mini