Our electric mini grinder is a practical DIY tool. This rotary tool has 5 adjustable speeds to meet your different needs. 【5 Adjustable Speeds】 Our mini grinder has 5 adjustable speeds: 3000rpm, 6000rpm, 9000rpm, 12000rpm, 15000 rpm. The desired speed can be easily adjusted with the “+”/“-” buttons. Low speed is suitable for cleaning work or applications that require more attention and patience, and high-speed mode is best for polishing, cutting, carving, grinding, cutting, etc. 【LED Lights and USB Charging】 The body has LED lights that illuminate when you work. This electric mini grinder gives you a more comfortable touch and higher working precision. With USB charging, you can easily charge your small grinder at any time with a power bank. The rechargeable 3.7V lithium battery can be charged for 2 hours and work continuously for 90 minutes. 【Multifunctional Tool】 This rotary tool has many functions such as cutting, polishing, grinding, drilling, etc., for crafts such as root carving, wood, aluminum, copper, ceramics, jewelry, etc. 【Package Size】 22.02 x 15.32 x 3.91 cm; 454g