Features: 2.4G wireless technology offers fast and stable transmission, low latency. Powerful optical engine Features 5000FPS scan frequency and 20G acceleration, accurate click, quick response. Ergonomic vertical design, the mouse fits the palm and fingers, reduces discomfort when using, bid farewell to the "mouse hand". 3 adjustable DPI(1000-1600-2400DPI), easy to switch, adapt to a wide range of material surfaces, accurate and reliable position. Bionic tire type roller, comfortable oblique texture design, increase friction with the fingers, comfortable to use. Built-in 600mAh lithium battery, low power consumption, long endurance time. Specification: Brand: ZELOTES Model: F-26 Button number: 6 Tracking technology: Optical Connection mode: 2.4G Effective distance: 10m(barrier-free) Frequency: 2402.85MHz-2480.85MHz DPI: 1000-1600-2400DPI Rate of return: 250Hz Button life: 5 million times Battery capacity: 600mAh Working voltage/current: 3.7V 4mA System requirement: Windows 2000/ME/XP(x64)/Vista/Win7/Win8/Win10, Mac OS X(over V10.4) Item size: 11 * 7.5 * 7.2cm /4.33 * 2.95 * 2.83in Item weight: Approx. 110g /3.88oz Packing list: 1 * Mouse 1 * Charging cable 1 * User manual