Powerfu and reliable 2.4GHz wireless optical mouse connection with 20M transmission distance. Mute the left and right buttons so you can concentrate on your work without worrying about disturbing others. Comes with Mini USB receiver which stored in the battery slot and is easy to carry. Four levels DPI adjustment for precise positioning. 1000,1200,1600,2400 DPI, Free switching, sensitive response and precise positioning. Round curve, comfortable grip. It is ergonomic and fits the shape of the hand, effectively reducing hand fatigue. Non-slip rubber scroll wheel, cushioning and silent. The scroll wheel is silent and comfortable to the fingertips. It sends out at the touch of a button, and uses the micro-motion button to lightly click the sensitive response command. It adopts embossing technology, exquisite shape, comfortable hand feeling, wear-resistant pattern, and will not fade. Mouse compatibility with XP, windows 7/8/10, Mac. No need driver and smart connection. You can plug and pla