This product is an useful tool in your kitchen, after long time using, your cutter may be blunt, it will no longer can cut the meat or vegetables quickly, which will prolong your cooking time. With this product, you do not need to worry about this problem anymore, you can use it to sh-arpen your cutter again. Come on and try it, it will not let you down.Features:With the high speed electric motor, it won't jaming when using, and the output is stable and won't damage the cutter.With the protect cover to refrain metal debris from splashing and injuring when sh-arpening cutter, give you a safer using experience.It is very easy for you to use it, you just need a several step to use it, give you a better using experience.It suitable for multi types of cutters, like slicing cutter, bone cutter, small kitchen cutter, fruit cutter and so on equal-edge blade.After using it, the cutter is sh-arper and then you can cutting the vegetables or fruits more easily, save your time and energy.Specifications:Material: PP+PCAdapter: 5V 2AType: (optional)type1: built in batterytype2: USB cableBattery: 1 * lithium battery, 1200mAh (only type1 included, type2 not included)Package size: 238 * 120 * 115mm / 9.4 * 4.7 * 4.5inPackage weight: 320g / 11.3ouncePacking list: (optional)Type1:1 * Cutter Sh-arpener (With Built In Battery)1 * Grinding Wheel1 * USB CableorType2:1 * Cutter Sh-arpener(Without Built In Battery)1 * Grinding Wheel1 * USB Cable