JANGKLIFE Rotary Tool is lightweight and compact so you can take it with you wherever you go. Suitable for different DIY workplaces and daily home use. 【Feature】 Speed ​​change tool: It has 3 different levels of gears, which can be adjusted at will. Cordless Design: The rotary tool's cordless design allows it to be used anywhere without being connected to a power source. Spindle Lock: Onboard spindle lock makes changing bits quick and easy. Easy to use: You can hold it like a pen, making it more convenient to use, ergonomic and streamlined design, with overload power-off protection, safe and reliable operation. 【Use】 Suitable for daily grinding, polishing, engraving, cutting and other fine work. 【Specification】 1. Rating: 3.7V 2000 rechargeable battery 2. 3 speed: (5000/10000/15000 rpm (no load) 3.Color: Black 4. Chuck size: diameter 1/1.5/2.4/3.0/3.2mm 5. Charging interface: USB 6.Tool weight: 0.087kg 7. Tool size: 2.5*15CM Warning 1. Not suitable for heavy-duty projects. 2. Do not press the lock button before the tool comes to a complete stop to avoid damage to the machine or even injury. 3. The charging time should not be too long and should not be overloaded. 4. Please refer to the instruction manual for detailed operating instructions. 【Package Contents】 1 x 3.7v cordless rotary tool 1 USB charging cable 1 accessory boxe 41 accessories