Wireless Mouse Havit MS78GT, 1200-3200dpi, 6 buttons, Ambidextrous, 1xAA, 2.4Ghz, Black. Wireless technology: 2.4GHzWireless distance: 10mSize: 110*62*35mmkey number: 6Resolution:1200-2400-3200DPIKey life: 3,000,000 timesPower supply: 1*AA(Alkaline batteries are recommended)product weight:55g