Features Smart Charging: Built in 3.6V rechargeable battery with 700mAh large capacity enables quick charging and long working hours, very reliable. Variable Speed: Supports simple working speed adjustment among 5000RPM, 10000RPM and 15000RPM, which will satisfy your various work needs. Practical Uses: Can be flexibly applied for a variety of home projects and craft works such as sanding, carving, polishing and so on. Easy Carrying: Designed to have a light weight and a compact size as well, the rotary tool ensures easy carrying for indoor and outdoor use. With Accessory: There are many accessories including but not limited to sanding drum, collet, grinding bit, cotton wheel, drill bit, etc. Specification: Item Type: Cordless Rotary Tool Material: ABS Voltage: 3.6V No Load Speed: 5000RPM, 10000RPM, 15000RPM. Chuck Size: Approx. 2.35mm / 0.09in, 3.0mm / 0.12in Power Supply Battery: Li ion battery 700mAh, built in carry. Charging Voltage: DC 5V Package List: 1 x Cordless Rotary Tool 1 x Charging Cable 14 x Sanding Drum 2 x Collet 5 x Grinding Head 2 x Cotton Wheel 3 x Small Circular Blade 3 x Grinding Disc 5 x Connecting Rod 2 x Twist Drill Bit 2 x Grinding Bit (Random Style)  1 x Accessory Storage Box Note: Different tool accessories fit different collets. If the tool attachment falloff the head of the rotary tool, replace it with a new collet to fit it. Package List 1 x Cordless Rotary Tool 1 x Charging Cable 14 x Sanding Drum 2 x Collet 5 x Grinding Head 2 x Cotton Wheel 3 x Small Circular Blade 3 x Grinding Disc 5 x Connecting Rod 2 x Twist Drill Bit 2 x Grinding Bit (Random Style) 1 x Accessory Storage Box