TECKNET Wireless Mouse for Laptop, 4800 DPI Optical Computer Mice with 6 Adjustable Levels, 30 Months Long Battery Life 2.4G Cordless USB Silent Mouse for Notebook, PC, Office Home Work -Grey

[Multi-function Wireless Mouse] TECKNET wireless mouse with 6 DPI levels(4800/3200/2400/1600/1200/800), easily changes the cursor sensitivity depending on your activity. You can use two side buttons to control the page forward/backward for increased productivity. Advanced technology helps the cordless mouse move around the computer screen smoothly
[Precise Responsiveness] This PC mouse uses TECKNET TruWave technology to provide precise, smart cursor control over many surface types. TECKNET CoLink technology: After pairing there's no need to re-establish pairing after a signal loss or shutdown
[Long transmission distance] TECKNET 2.4G Wireless Silent Technology makes this USB mouse ultra-stable, experiencing zero delay between your thoughts and actions with gaming-grade 2.4GHz wireless, an increased working distance of up to 50ft/15m (Note: Powered by 2 AA batteries, the battery is not included)
[Comfortable Ergonomic Design] The TECKNET computer mouse has a streamlined arc