【3SPEEDS FOR VERSATILE PROJECTS】There are 3 speeds adjustable (5000/10,000/15,000 RPM) to meet different operating needs, allowing you to complete any small DIY project with ease. Even if you are a beginner, you can experience the fun of control with ease. 【USB CONNECTOR FOR CONVENIENT CHARGE】 Charging 2 hours for continuous work 120 minutes, 3.7 V rechargeable lithium battery for safe operation and long using life.(Fully charge the tool before first use) 【DIVERSITY ROTARY TOOL ACCESSORIES】This rotary tool kit includes a high-performance, low-noise rotary tool, as well as 72 of the most popular electric rotary tool accessories, such as sanding belts, grinding wheels, diamond bits, and more. 【QUIET】 - Compact motor is perfect for home use, more comfortable in your hand while using the tool. 【ATTENTION】Different tool accessories fit different collets. If the tool accessories come off easily from the head of rotary tool, please replace a new collet to fit it. All YEPLING products come with a one-year warranty. If you have any problems, please feel free to contact us. Technical data: Collet size: Φ3mm Rated voltage: 3.7 V Idle speed: 15000 rpm. Charging time: 2 hours DC (USB). Box contents: 1 x YEPLING 3.7 V lithium-ion cordless drill / driver. 1 x user manual. 1 x USB port. 1 x 72-piece accessory kit. Note: - It is recommended to check the power supply before using this item, and continue to work on full power to avoid a low battery while working. - It is not recommended to carry out heavy work. The wireless rotary tool is perfect for DIY and small jobs such as polishing, cleaning, engraving, nail care or light plastic housing projects