This is a vertical mouse that will in the long run help prevent wrist / hand injuries. Check the video to know how the vertical mouse is different and better.
Buy from Gearbest for Rs. 600 approx – https://goo.gl/sTR3DK
Ergonomic vertical design reduces hand fatigue and prevents carpal tunnel syndrome.
Adjustable DPI: 400 / 800 / 1600 / 2400
Powered by 2 x AAA battery ( not include )
Using 2.4GHz wireless technology, transmission distance is 10m
Plug and play, not need any driver