Now the mainstream wireless mouse is the use of batteries, do not need to charge, so there is no charge of how long it takes to say, as long as the service life, as long as you do not fall to the ground, normal use of 2-3 years is no problem. Wireless mouse uses wireless technology to communicate with the computer, thus eliminating the bondage of wires. Wireless communication methods are usually used, including Bluetooth, Wi-Fi (IEEE 802.11), Infrared (IrDA), ZigBee (IEEE 802.15.4) and other wireless technology standards, but for the current mainstream wireless mouse, only 27Mhz, 2.4G and Bluetooth wireless mouse a total of three categories. Wireless mouse refers to the mouse that is directly connected to the host without cable. Generally, 27M, 2.4G, Bluetooth technology is used to achieve wireless communication with the host.