Shop name:Chong Qing Shuo Yue Ke Ji You Xian Gong Si Precise cursor control on more surfaces. Fingertip control can achieve super fast scrolling, fast zooming and so on. Ergonomic design brings unparalleled comfort. The ultra-sensitive design brings you a smooth experience when using the mouse. and compact design, easy to carry. Wireless distance: 10m Work: Optoelectronics Operation mode: photoelectric Photoelectric resolution: 1600dpi (dpi) Number of buttons: 4 (key) Power type: rechargeable Type: 2.4Ghz System requirements: Windows 98/2000 / XP / Vista / Win 7 / Win8 / 10 / suitable for the latest version of OS ( mobile devices are not supported) Product weight: 71g Colour: black Material: ABS Size: 11.2x5.8x2.5cm Package Contents: 1 * 2.4GHz Wireless mouse 1 * USB receiver 1 * USB charging cable 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.