[DETAIL]<br>USB Cordless Rotary Tool Dremel Drill Engraving Pen Electric 3 Speed Mini Wireless Drill with Accessories Set 8500r-21000rpm<br>Production information<br>Product name: Lithium Electric Grinder<br>Clamping range: 0.5-3.2mm<br>Power: 35W<br>Input Voltage: 5V 2A<br>Output Voltage: 3.7V<br>3 Speed Regulation: 8500r-16500-21000r/min<br>Net weight: 226g<br>Battery capacity: 2200mAh<br>Battery model: 18650<br>Charging interface: USB/Type-c Type<br>Application: Suitable for Caring, Polishing, Cutting, Drilling, Polishing, Cleaning, Trust Removal, etc<br>Strong endurance, large capacity lithium battery<br>2200mAH large capacity, lithium battery safe and durable, long-lasting battery life<br>Intelligent chip, 3-speed control button<br>8500rpm/16500rpm/21000rpm<br>Equipped with overheat and overload protection function, controlling speed, suitable for various creative needs<br>35W high-power pure copper motor<br>Built in with a powerful core, the high-power pure copper motor is surprisingly powerful<br>All copper clamp core, high concentricity without shaking<br>Durable and resistant to drilling, allowing for quick replacement of chucks<br>Clamping range: 0.5-3.2mm<br>3D efficient heat dissipation<br>Efficient heat dissipation system, protecting the motor, durable and extending its lifespan<br><br>[ATTRIBUTES]<br>- Battery Included: Yes<br>- High-concerned chemical: None<br>- Model Number: 3691DKB<br>- Battery Included: Yes<br>- High-concerned chemical: None<br>- Model Number: 3691DKB<br>- Origin: Mainland China<br>- No-Load Speed: 16000rpm<br>- Rated Voltage: 3.6v<br>- Power Source: DC<br>- Drill Type: Cordless Drill<br>- Brand Name: dutoofree