Wireless Mouse Havit MS61WB, 1200-3200dpi, 6 buttons, Ergonomic, 1xAA, 2.4Ghz, Black. Wireless technology: 2.4GHz+BT5.0Wireless distance: 10mSize: 108*69*34mmkey number: 6Resolution: 1200-2000-3200DPIKey life: 3,000,000 timesPower supply: 1*AA(Alkaline batteries are recommended)product weight:72g