35W USB Cordless Rotary Tool Dremel DIY Mini Drill Engraving Pen Electric 3 Speed Mini Wireless Drill Set 8500r-21000r/min

USB Cordless Rotary Tool Dremel Drill Engraving Pen Electric 3 Speed Mini Wireless Drill with Accessories Set 8500r-21000rpmProduction informationProduct name: Lithium Electric GrinderClamping range: 0.5-3.2mm(need to change chuck) Power: 35WInput Voltage: 5V 2AOutput Voltage: 3.7V3 Speed Regulation: 8500r-16500-21000r/minNet weight: 226gBattery capacity: 2200mAhBattery model: 18650Charging interface: USB/Type-c TypeApplication: Suitable for Caring, Polishing, Cutting, Drilling, Polishing, Cleaning, Trust Removal, etcStrong endurance, large capacity lithium battery2200mAH large capacity, lithium battery safe and durable, long-lasting battery lifeIntelligent chip, 3-speed control button8500rpm/16500rpm/21000rpmEquipped with overheat and overload protection function, controlling speed, suitable for various creative needs35W high-power pure copper motorBuilt in with a powerful core, the high-power pure copper motor is surprisingly powerfulAll copper clamp core, high concentricity without shakingDurable and resistant to drilling, allowing for quick replacement of chucksClamping range: 0.5-3.2mm (need to change chuck)( Note: Additional purchase of universal chuck is required ) 3D efficient heat dissipationEfficient heat dissipation system, protecting the motor, durable and extending its lifespan