ProtoArc Ergonomic Vertical Mouse, EM11 NL Bluetooth Mouse Wireless Rechargeable Mice with 3 Devices (Bluetooth or USB)

Please Note: The ProtoArc EM11 NL vertical Bluetooth mouse is recommended for small to medium hands (Hand size: <17.5 cm and 17.5 cm-19 cm are suitable). Dimensions of the mouse 5.43*2.72*2.67 inches (13.8*6.9*6.8 cm). For a more comfortable fit and better user experience, we sincerely recommend you measure the size of your hand before purchasing

Wireless Ergonomic Design: ProtoArc wireless 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. Warm tips: We encourage you to relax your palm and hold the mouse naturally when using a vertical mouse

Connect up to 3 Devices: This ergonomic wireless mouse features dual BT 5.0 and 2.4G USB connection modes, allowing it to connect up to 3 different devices simultaneously. Switching between devices is as easy as clicking the mode switch button. And the ergonomic mice 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 500 mAh Li-ion battery that can be conveniently recharged by the included Type-C cable. After 30 minutes of inactivity, the wireless mouse will automatically enter sleep mode to conserve power, you can wake it up by one button

Adjustable DPI & High Performance: 1000/1600/2400 DPI levels provide higher sensitivity than standard optical mice for precise optical tracking. With convenient forward/backward buttons, you can easily navigate websites and increase work efficiency (Note: All buttons are not programmable and the forward and back buttons are not compatible with Mac OS systems)

Quiet Clicking: The whisper-quiet click of vertical mouse helps you focus on what's important without any noise distractions. Therefore, perfect for shared workspaces such as offices or libraries

Warm Note: We understand that some customers may feel uncomfortable when first using our ergonomic mouse. It is important to note that transitioning to an ergonomic design may take some time getting used to. It may require getting familiar with a new grip and positioning. We recommend that you take 1-2 weeks to adjust, as many users find that once they acclimate, the comfort and support significantly improves their overall experience. If you continue to experience discomfort, please feel free to contact us for assistance