[Efficient Wireless Transmission]Mute quite clicks makes you concentrate on your work and free you worry about bothering others. Powerful, reliable 2.4GHz wireless mouse connection with high anti-interference performance with 50ft/15M transmission distance. A Mini USB receiver (stored in the battery slot) supports plug and play. [3 ADJUSTABLE DPI] 800,1200,1600 DPI, easily change the cursor sensitivity depending on your activity. Computer mouse comes with a Nano receiver (stored in the back of the wireless mouse with magnetic force). No need any driver, and you can plug and play the wireless mouse for laptop directly. [Longer lifespan]Laptop mouse passed 5,000,000 times keystroke test to guarantee extra durability. Switch button on the back of this cordless mouse to save power. And it will enter sleep mode after 15 minutes of no-operation. Press any button to wake it up. Note: powered by 1*AA battery (not included)