Mice & Trackballs 1 Mouse for Multi-purpose There are three ways to connect the vertical mouse: Bluetooth 3.0, Bluetooth 5.0 and USB receiver. You can use a different device for each connection mode. 1 click for switch from the devices easily Rechargeable Ergonomic Mouse The built-in 500mAh lithium battery allows the bluetooth mouse to be easily recharged by the supplied TYPE C cable. Long battery life, no need to change batteries. Charging takes about 2 hours and lasts about 2-3 months. The ON / OFF switch and an intelligent sleep mode also help to save energy Ergonomic Vertical Mouse The shape of the vertical mouse prevents twisting of the wrist and thus relaxes muscles and joints. The feet of the mouse are wide enough, and the thumb and little finger can comfortably support the hand, which is very suitable for preventing carpal tunnel syndrome With Voiced & Noisele Left/right Button Noisele Click & Voiced Click Equipped with 9 buttons, featuring with noisele click & voiced click left/right button to meet your different needs for working or gaming. Compatible with Windows/Android/Mac OS/IOS Device Works on WindowsXP, Windows7 / 8/10, Mac OS 10.10 or higher, Android 4.3 or higher and iPad OS, IOS 13 or higher (Tips: We promise lifetime product guarantee) Responsive and Durable Responsive and Durable The ergonomic mouse have more than 5 million mouse clicks ensure smooth tracking, accurate sensitivity and effortle scrolling. It also has a DPI button with 3 control settings (1000-1600-2400) on side of the PC mouse making it easy to set the cursor to your preferred speed, perfect for productivity, video/image editing, 3D modelling with its impreive 2400dpi