ATRASee 2.4GHz wireless ergonomic vertical wireless ergonomic mouse is designed to fit the size and contour of the palm, reducing the pressure on the palm and making your control of the wireless mice more comfortable and natural. Built-in rechargeable battery. You no longer need to buy batteries, very convenient !! The wireless mouse can be easily charged. With just 2 hours of charging you can use it for about 7-15 days, standby time is very long, and automatic sleep mode and wake-up mode are installed to save energy. 2.4GHz Optical Mice designed with 3 levels of DPI (800/ 1600/ 2400 DPI), easily controls the speed and provides excellent sensitivity and precise tracking, ideal for daily office, graphic design, and games. Wireless Computer Mouse with left key, right key, forward key, reverse key, DPI +/- key, and scroll wheel. the switching of the webpage can be realized through the side keys during the office. Silent clicking design fits the circumstance for using the mouse in public, such as the library, dormitory, office, and so on. Wireless Bluetooth Mouse is compatible with Windows 2000/ ME/ XP/ 7/ 8/ 10/ Vista/98, Mac OS, Linux, etc. Suitable for notebooks, PCs, laptops, computers, Macbooks, and other equipment. We offer 1 Year Warranty. Any questions, please contact us.[Wide Compatibility] Wireless Bluetooth Mouse is compatible with Windows 2000/ ME/ XP/ 7/ 8/ 10/ Vista/98, Mac OS, Linux, etc. Suitable for notebooks, PCs, laptops, computers, Macbooks, and other equipment. We offer 1 Year Warranty. Any questions, please contact us. [7 Silent Buttons] Wireless Computer Mouse with left key, right key, forward key, reverse key, DPI +/- key, and scroll wheel. the switching of the webpage can be realized through the side keys during the office. Silent clicking design fits the circumstance for using the mouse in public, such as the library, dormitory, office, and so on. [3 Adjustable DPI] 2.4GHz Optical Mice designed with 3 levels of DPI (800/ 1600/ 2400 DPI), easily controls the speed and provides excellent sensitivity and precise tracking, ideal for daily office, graphic design, and games. [Rechargeable Battery] Built-in rechargeable battery. You no longer need to buy batteries, very convenient !! The wireless mouse can be easily charged. With just 2 hours of charging you can use it for about 7-15 days, standby time is very long, and automatic sleep mode and wake-up mode are installed to save energy. [Ergonomics Design] The 2.4GHz wireless vertical wireless ergonomic mouse is designed to fit the size and contour of the palm, reducing the pressure on the palm and making your control of the wireless mice more comfortable and natural.