Mice & Trackballs HXSJ T66 RGB 2.4G Wirele Gaming Mouse RGB Lighting Charging Mouse with Adjustable DPI Ergonomic Design for Desktop LaptopFeatures:It provides 7 kinds of programmable RGB backlight modes for you to adjust freely, provides colorful visual effect.It supports adjustable 800/1600/2400/3600DPI to meet a variety of needs, maximum 3600DPI provides high precision, stable transmiion and accurate analysis.Ergonomic design brings comfortable hand feel, fits the palm, long-time use without fatigue.Honeycomb hollow design, meets the ventilation and cooling effect required by the game player for a long time playing, avoids the feeling of hot hands and palms during the game. It also has a cool visual appearance.2.4GHz wirele with mini USB receiver, plug and play, no driver required, convenient to use.Specification:Model: T66Type: 2.4GHz wireleColor: Black, white(Optional)Operation mode: Opto-electronicBattery: built-in rechargeable lithium batteryBattery capacity: 750mAhRated voltage/current: 3.7V/15mAAccurate tracking: profeional IC positoning accuracyNumber of keys: 6 keysWorking distance: 10 metersDPI: Four-speed(800-1600-2400-3600)Key life: 10 million switchesApplicable system:Windows(Windows XP/Vista/7/8/Server 2003/2000/Win 10,etc)MacOS(macOS 10.10 above is recommended)Item size:13*6.7*3.8cm / 5.12*2.64*1.5in(L * W * H)Item weight: Approx.81.5g /2.87ozPacking list:1 *Mouse1 *USB Receiver1 *USB Charge Cable1 *User Manual