ProtoArc Vertical Mouse, EM11 NL Wireless Ergonomic Mouse, Rechargeable Optical Mice with Multi-Device (Bluetooth + Bluetooth + USB Connection), 3.

Wireless Ergonomic Design: Proto Arc ergonomic mouse features an extended wrist rest that fits snugly in the palm of your hand for a more natural, relaxed position of the forearm and wrist, reducing overall fatigue, compared to standard mice. Connect up to 3 Devices: This ergonomic wireless mouse features dual BT 4.0 and 2.4G USB connectivity modes for simultaneous connection of up to 3 different devices, and is compatible with Windows 8, Windows 10 or higher, Mac OS X 10.12 or higher, and Android 4.3 or higher Rechargeable Ergonomic Mouse: The Bluetooth Vertical Mouse has a built-in 500m Ah Li-Ion battery that can be conveniently recharged using the included Type-C cable. Adjustable Dpi & High Performance: 1000/1600/2400 DPI levels provide higher sensitivity than standard optical mice for precise optical tracking; with the back and forward buttons, you can easily navigate websites and increase work efficiency.