CSL - Wireless Vertical Ergonomic USB Mouse, Bluetooth + 2,4 Ghz Wireless Optical Mouse TM137U, Mouse without cable 5 Buttons 2400 dpi Prevention against mouse arm tennis elbow For PC Laptop Macbook

The CSL Wireless Vertical Mouse will free you from an unnatural arm position and the annoying cable connection to the computer. Its ergonomic design supports the natural arm position and relieves tennis elbow pain. The arm and wrist will always be relaxed, even after long working hours. Thanks to the wireless connection via 2.4 GHz or Bluetooth, the control of the mouse is space-saving. Model number: 304472.
Optically, the vertical mouse with its shape imitating the human hand is a real special feature that distinguishes it from other models. Note: DESIGNED FOR RIGHT-HANDED USERS.
The dual connection mode allows wireless functioning via Bluetooth or the 2.4 GHz radio module. Simply plug the supplied dongle into a free USB port on your computer and the mouse will be automatically recognised by the system. The USB dongle will be in the battery compartment on the underside of the mouse when delivered.
Top side: left and right mouse buttons, scroll wheel with button function, d