? lightspeed 2.4g wireless mouse 2.4g wireless gaming mouse- stable connection brings precise track and fast data transmission speed. up to 15m working distance, eliminates delays and interference, making it ideal for daily work and pc gaming. ? silent wireless gaming mouse silent gaming mouse produces less noise upon click, which keeps you focused and never disturbs others in public places such as dormitories, offices, cafes, and libraries. ? 12 months energy-saving chip wireless mouse supports 80hr continuous using and 12 months standby with led off. auto-sleep mode will be activated when not used for 8min (click to wake). the low power indicator will flash in red to alarm you to change the new battery. ? 5 adjustable dpi the high-precision optical mouse features 5 dpi levels ranging from 2400/2000/1600/1200/800 dpi, 125/500 polling rate to deliver pinpoint accuracy and extreme responsiveness ? ergonomic & soft-touch design offer you an incredible touch & protect against excessive palm sweat. perfectly fit the contours of your hand for stress-free use.