Wireless Mouse Havit MS626GT, 1200dpi, 3 buttons, Ambidextrous, 1xAA, 2.4Ghz, Black. Wireless technology: 2.4GHzWireless distance: 10mSize: 105*59*37mmkey number: 3Resolution: 1200DPIKey life: 3,000,000 timesPower supply: 1*AA(Alkaline batteries are recommended)