MOTONG 2.4G Wireless Optical Mouse with USB Nano Receiver,4 DPI Options-800/1600/2400/3200 for your working and Gaming Human Engineering design give you comfortable use and not tired,battery not included. Adopt the 2.4G frequency technology, working distance can reach to 8M-10M. 2.4G will give you a more comfortable, convenient and exact effect than the traditional FM radio wireless mouse. Wireless Mouse comes with a Nano version of the receiver which means that you can leave it plugged in your device without fear of breaking it. Anti-Slip computer Mouse,DPI 800/1600/1400/3200 Options. Package:1*MOTONG 2.4G Wireless Optical Mouse,1*USB Nano Receiver,1*MOTONG Belt.