Shop name:Chong Qing Shuo Yue Ke Ji You Xian Gong Si 2.4GHz wireless technology, providing reliable connection within 10meter without any interference, stable and reliable transmission Suport plug and play. Take out the receiver and plug into computer, you are ready to go. Ergonomic design, slim design for your palm also provides excellent grip, grip comfort, let you focus on work. Applicable to: almost applicable to all desktop computers, laptops. Just plug the receiver (stored within the bottom of the mouse) into the computer and use it without any driver. It can be used while charging; the blue light will be on when charging, and will be off when fully ; please unplug the charging cable in time to prevent overcharge from damaging the battery and affecting its service life. Product features: ultra thin, light and portable, more convenient to carry in business travel. colour: gray-black Material: ABS Size: 108x60x26mm Package Contents: 1 x Wireless Mouse 1 x Receiver 1 x Charging line Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.