– Robust 2.4G Wireless – Max report rate: 500 Hz (2 ms, the best in wireless class)- 6 buttons – 7 colours breathing LED – Rated 10 million click switch – 800/1200/1600/2400/3200 DPI selectable – Built-in 450 mAh High-Quality Rechargeable Li-Battery – Compatible OS: Win VISTA/7/8/10 and Mac OSX GRANSI RESMI 1 TAHUN