Wireless Vertical Mouse, Jelly Comb SMALL Wireless Mouse 2.4G High Precision Ergonomic Optical Mice with Adjustable Sens

? WHY SPECIAL : Unique Design - REDUCE TENSION - Scientific ergonomic design encourages healthy neutral handshake wrist and arm positions for smoother movement and less overall strain. It does take some time to get used to using a mouse at a different angle. Once you get used to it, you will love it so much !