TECKNET Wireless Vertical Ergonomic Mouse, 4800 DPI 5 Button Wireless Optical Mouse, 2.4G USB Vertical Ergonomic Optical Mouse Wireless for Windows and Mac OS

["Ergonomic Design】 This Wireless vertical mouse protects against overload and pain. The ergonomic design ensures a natural 60° angle of the arm and wrist","【5 adjustable DPI】 Wireless mouse with a resolution of 4800/3200/2400/1600/800 DPI. The optical tracking technology offers a much more sensitive than traditional optical mice with smoother and more precise tracking on different types of surfaces","【Wireless freedom】This wireless ergonomic mouse features advanced 2.4GHz wireless technology and can work stably and quickly without interference at a distance of 15m","【Quiet Design & More Comfortable Buttons】 The noise reduction technology of the wireless mouse can reduce click noise by more than 90%, making it nearly inaudible during normal use. Wireless mouse additional "Forward/Backward" buttons make browsing much more comfortable. (Note: The Forward/Backward button is not silent, side buttons are not available for Mac or IOS systems)","【What You Get】 A TECKNET 2.4G Wireless Mouse, 1 x USB receiver (located on the back of the mouse), a user manual, 36 months warranty (registered only) and friendly customer service"]