Simultaneous multi-device connection for up to 3 devices. Easy switching between Bluetooth and Wireless receiver modes. Slim, contoured design for a natural palm fit and convenient storage. Eco-friendly with a high capacity rechargeable and removable battery. Optical tracking with adjustable DPI allows for accurate tracking and smooth control. Magnetically attached top cover for quick access to the nano receiver and battery. USB-C to USB-A. 1-year limited warranty.