Features: 2.4G wireless transmission, 10m transmission range, fast and convenient to use. 1200/1600/2400DPI switchable, sensitive response, smooth operation, accurate position. Colorful breathing light design brings cool visual effect. Mute design, no need to worry about disturbing others. Ergonomic design, fit the palm, comfortable feel, not easy to feel tired. USB connection, no driver required, plug and play. The USB receiver can be placed behind the mouse for easy portability. Built-in rechargeable lithium battery, fast charging, no need to replace the battery. Wide compatibility, compatible with desktop computer, laptop, suitable for home, office and game use. Specification: Model: G851 Color: Black Material: ABS Connection: Wireless Wireless transmission frequency: 2.4G Wireless transmission distance: Up to 10m DPI: 1200/1600/2400DPI Battery capacity: 600mAh Charging time: 2-3 hours Switch life: 8 million times Voltage/current: 3.7V/20mA Operating system: Windows XP/Vista/Win7/Win8/ME/Windows 2000/Mac OS or latest version Item size: 12.8 * 6.6 * 4cm /5.04 * 2.6 * 1.57in(L * W * H) Item weight: Approx. 85.3g /3oz Package weight: 128g /4.52oz Packing list: 1 * Wireless mouse 1 * USB receiver 1 * Charging cable