Main features:1.Ergonomic DesignNote: The USB receiver is located at the bottom of the mouse. The unique 54 vertical angle promotes healthy wrist and forearm posture, reducing muscle strain, allowing for smoother wrist and forearm movement and less overall stress. Vertical mouse is designed for daily work, making working more comfortable!2.3 Different Sensitivity OptionsThe ergonomic wireless mouse has 3 adjustable DPI options (800/1000/1600 DPI), so you can easily change the cursor speed and enjoy different scenes. High DPI improves ergonomic wireless mouse accuracy.3.Easy to UseUsing advanced 2.4GHz wireless technology, it can work stably and quickly on Windows 10, Windows Vista, Linux, Mac OS X, Windows XP devices. This ergonomic mouse is plug-and-play ready. (Note: Next/Previous buttons cannot be used on iOS systems).4. [Advanced 2.4GHZ wireless technology] The working distance of the wireless mouse can reach 10m without interference. Plug and play and enjoy the convenience of tangle-free and fast data transfer. You don't need to download any drivers or software, just plug the USB plug into your computer port and you'll be ready to use your vertical mouse right away.5.Designed for Long-Term UseThis ergonomic wireless mouse has more buttons than a traditional mouse. Not only does it help you freely adjust the DPI of your ergonomic vertical mouse, the two buttons on the side also allow you to browse web pages and documents faster.Specification:Product Dimensions: 5 x 3 x 3 inchesProduct weight: 3.53 ouncesConnectivity: Wireless, Bluetooth, USBNumber of keys: 7 (keys)Working distance: 6-10MPackage Contents:1 mouse1pcs USB Mouse Receiver1 manual