Wireless Vertical Ergonomic Optical Mouse 2.4G Bluetooth Wireless Vertical Mouse 4 Adjustable 1000/1600 / 2400/3200 DPI Wireless Mouse Compatible with Windows, Mac OS, Laptop, PC- Black

Ergonomic Design: Scientific ergonomic design of this vertical mouse encourages healthy neutral " handshake" wrist and arm positions for smoother movement and less overall strain. (Warm tips: If you' re using a vertical mouse for the first time, it may take at least one to two weeks to get used to this wireless mouse)
2.4G & Bluetooth Connection: This wireless ergonomic mouse ensures a stable and cable-free connection. You can switch sideways mouse between 3 devices with a single key clicking without any interference or disconnection, greatly upgrade your work efficiency.
The ergo wireless mouse added Forward/Backward buttons provide convenience when webpage browsing; the superior choice for internet surfers, gamers and people who work at length at the computer. (Note: All buttons of ergonomic mouse are non-programmable. )
Wide compatibility: Our ergonomic mouse for laptop compatible with multiple systems. The large wireless mouse works with desktops, laptops, Mac, iPad, Chrome, etc. you can easily switch bottom button for consistent functionality.
Power-saving & Auto-sleep: The bluetooth ergonomic mouse enters power saving mode after 8 minutes idle, press left or right button to wake up. Low battery indicator provides a week' s notice before replacement needed.