4key 2.4GHZ optical wireless mouse , 10 meter operation range, 500/1000dpi SHIFT , Product ... connectivity, no need to code, plug and play. 5)Ergonomically designed, comfort grip. 6)Many dormant class control ... power and replace it as necessary. 4)The mouse will shut off automatically and enter sleeping mode for ... it up, press the right or left button. 5)Never waste the battery at will or throw it ...