Main Features: Bluetooth 2.4GHz dual-mode connection, wireless office freer Dual-mode wireless mouse, get rid of the shackles of cables, make your desktop clean and efficient, and double the daily office efficiency. Support 2.4GHz wireless receiver and Bluetooth dual mode, can be connected to two computers, just press the mode switch button on the front of the mouse to switch freely between the two computers. Mute button, say goodbye to the disturbing "click" sound The practical mute button design will no longer let the disturbing "click" sound make you the focus of everyone, allowing you to remain calm and polite whether you are in the office, conference room, or library and other quiet places. Even if you work from home until late at night, it will not disturb your family’s rest More intimate side button design, convenient and practical forward and backward The practical shortcut keys on the left support the easy realization of one-key forward and one-key backward functions on the Windows system, making it easier and more efficient for office work or web browsing. Ergonomic design makes operation more comfortable UV skin-friendly coating top cover, plastic etched body, with fading dot texture, stable operation and not easy to slip, even sweat will not affect the grip. Just the right size, customized for Asian hands Design is not only about aesthetic expression, but also the precise accumulation of data. There is no heavy burden even after long-term use, it is so considerate. More intimate shape design, to ensure the grip and also beautiful The symmetrical shape and the slightly waisted mid-section design not only meet the visual needs, but also provide the right grip. Specification: Main material: ABS, PC Wireless Connectivity: Bluetooth Low Energy 4.2, RF 2.4GHz Operating temperature: 0'C~ 40°C Bluetooth Device Name: Mi Silent Mouse Working distance: < 8m Input parameters: 3V two 10mA Power supply: 2 x AAA batteries (not included)