Main features:1. Connection method: 2.4G wireless.2. Rechargeable: Built-in rechargeable battery.3. Accurate tracking: Professional IC positioning is accurate.4. 10m wireless receiving distance.5. Four levels of DPI adjustment.6. Honeycomb shell, colorful LOGO backlight.7. Lighting mode: RGB subtitle effect, up to 6 kinds of lighting pattern design, the light can be turned off.Specification:Model: T66Type: 2.4GHz wireless mouseNumber of buttons: 7Wireless distance: 10mBattery capacity: 750mAhPower supply: built-in rechargeable batteryProduct color: black, white (optional)Operation mode: photoelectricLighting type: RGB (multiple lighting modes)Button life: 10 million timesDPI adjustment: 800-1600-2400-3600DPIRated voltage/current: 3.V/15mAProduct size: 130*67*38mm/5.12*2.64*1.50"Applicable operating system: Windows XP / Vista / 7/8 / Server 2003/2000 /10, etc., Mac OS (recommended Mac OS 10.10 or later)notes:1. Due to manual measurement, different measurement methods and tools, there may be slight size deviation.2. Due to the different shooting light, angle and monitor, the picture may not reflect the actual color of the item.include1 wireless mouse1 USB receiver1 x USB charging cable1 user manual