1With 800,1200,1600 DPI three gear to adjust (the default is 1200DPI), easily change the cursor sensitivity depending on your activity. 2Bluetooth 3.0 is a onebutton automatic matching device, which is suitable for most bluetooth products in the market. 3The transmission is stable and reliable, no worry about the problem of receiver loss or insufficient USB interface. 4Wireless portable mouse, long lasting power and lightweight size, convenient to carry and store. 5Easy to install, turn on the computer bluetooth device, enter the bluetooth search interface, and find bluetooth 3.0 mouse, click connect to use. Item Type: Bluetooth Mouse Material: ABS Number of Keys: 5 Keys Supported Products: All Computers, Tablets, and Mobile Phones That Support Bluetooth 3.0 or Higher Bluetooth Version Mouse Battery: One AA Battery (Not Included) Wireless Operating Distance: 10m/11yd Mouse Resolution: 800/1200/1600 Three Gears Adjustable (Default 1200DPI) 1 x Bluetooth Mouse 1 x Chinese Manual