Features: 2.4G+BT 3.0+BT 5.0 three-mode wireless connection, stable signal, fast transmission.Ergonomic vertical design, the mouse fits the palm and fingers, reduces discomfort when using, bid farewell to the "mouse hand".3-gear adjustable DPI(1000-1600-2400DPI), easy to switch, adapt to a wide range of material surfaces, accurate position.Designed with independent forward backward buttons, you can use the thumb to facilitate "forward" and "backward" operations, easy to browse folders and web pages.Bionic tire type roller, comfortable oblique texture design, increase friction with the fingers, comfortable to use.Built-in 700mAh rechargeable lithium battery, low power consumption, long endurance time.Specification:Brand: ZELOTESModel: F-35BButton number: 6Tracking technology: OpticalConnection mode: 2.4G+BT 3.0+BT 5.0Effective distance: 10m(barrier-free)DPI: 1000-1600-2400DPIFrequency: 2405MHz-2476MHzRate of return: 250Hz( 2.4G), 90Hz(BT)Button life: 3 million timesBattery capacity: 700mAhWorking voltage/current: 3.7V 3mAItem size: 11 * 7.5 * 7.2cm / 4.33 * 2.95 * 2.83inItem weight: Approx. 115g / 4.06ozPacking list:1 * Mouse1 * Charging cable1 * User manual