Ergonomically engineered to fit comfortably in your right hand Offers 0 degrees, 20 degrees, or 30 degrees angle positions with a smart adjustable hinge, so your hand feels relaxed and natural 440dpi sensor technology gives you full control in High Precision mode Precision scroll-wheel with tilt and middle click allows for intuitive hand placement and effortless operation Easy-Switch and FLOW-enabled to pair with up to two computers, giving you the freedom to switch back and forth to copy and paste text, images, and more Bluetooth connectivity frees you from wires Powerful battery holds power for up to four full months when fully charged Charges enough for a full day of use in just one minute Compatible with Windows 10, 11 or later, macOS Mac OS X 10.8 or later, iPadOS 13.4 or later