Slient BUTTON: This wireless mouse with Noiseless Click, you can force on your work or study, also suitable for cafe, library or any other public place. It won’t disturb other people while using. Also it’s portable enough to take out and travel. HIGH DPI DESIGN: This wireless mouse was built for three DPI levels(1600-2400-3200) to meet your demands. The factory default is 2400, you can kindly press the DPI button to change it. It’s only take 2 AAA y (NOT INCLUDED) to power. This wireless mouse will turn to sleep mode in 5mins of inactivity for energy saving, can be easily activated by clicking any buttons. PLUG AND PLAY: The USB Nano Receiver is in the y slot, 2.4GHz Wireless provides a good connection, transmission distance up to 33ft (10m). Which eliminated delays, interference, accurate fast data transmission . There is a on/off button which enables you to turn off the mouse for energy saving. Great wireless mouse for home and office. MAXIMUM HAND-FEELING: Slim wireless mouse shape reduces skin-friendly finish are for maximum comfort and support. The thoughtful ring and little finger rest provide extra comfort. The sturdy scroll wheel with rubber makes sure that your hand will not slip when scrolling. WIDE COMPATILITY: This wireless mouse can be compatible with Laptop, Desktop , Notebook PC, Windows XP, Windows 8/9/10, Windows Vista, Mac OS , Chromebook.