With 3 adjustable speed levels, this multifunctional mini electric grinder can be used for polishing/grinding/drilling ceramics, plastic, iron bars, walnut, wood, etc. Perfect gift for newborn parents, newborn mother, newborn father, baby shower, birthday, Christmas, festival and so on. [Wide Application] It can be used for polishing/grinding/drilling ceramics, porcelain, plastic, metal, stone, modeling clay, walnut, wood and other smooth workpieces. [21 pieces accessories] Comes with a small plastic tool kit that includes different types of drill bits, grinding stone drills, grinding discs, shanks and collets. [Adjustable 3 speed level] Adjustable different speeds without load from 6000 rpm. min to 15000 rpm /min perform more precise and delicate work. [USB Charging Port] Designed with a USB port for convenient charging, which also supports fast charging. [Compact and Lightweight] Dimensions 5,9*0,98 inches, weight 3,52 ounces, held like a pen that is compact and lightweight to hold, making it easy to operate with one hand. [premium quality] Equipped with electronic cell protection (ECP) to avoid overcharging, over-discharge and overload, effectively extending battery life. * Keep the machine out of reach of children. * Please read the instruction manual carefully before use. * Do not use on hard materials. * Pull out the plug before maintenance. * Keep the machine clean. * Keep the vent unobstructed. * Do not use sharp objects to clean the machine. * Do not allow liquid to get into the machine to prevent it from rusting. Technical data: Color: Grey Material: ABS Clamp sleeve diameter: 0,5 mm / 1 mm / 1,5 mm / 2,4 mm / 3 mm / 3,2 mm Rated voltage: 3,7 V Rated Power: 20 W No-load speed: 15000 rpm Display Built-in Current: 5,5 A Charging Port: USB Battery Type: Lithium Battery Battery capacity: 380 mAh Charging Voltage: 5 V Item Size: 15*2,5cm / 5,9*0,98inch Item Weight: 100 g / 3,52 oz Package Weight: 214 g / 7,55 oz List of contents of the package: 1 * Polisher 1 * USB Charging Cable 1 * Accessories Set (6*Clamp Sleeve / 4*Sanding Stone Bits / 5*Drills / 1*Spindle / 2*Sanding Wheel) 1*Operating instructions