Ergonomic Optical Mouse USB High Precision Wired Vertical Mouse, 4 Adjustable DPI with Color Breathing Light 5 Buttons for PC/Laptop/Mac

1.Functional and comfortable： took a few minutes to get adjusted to but it is easy to see (and more importantly, feel) how this is a benefit to your wrist.entire mouse has soft rubberized coating sturdy prevent / slow any symptom of repetitive stress and or carpel tunnel, goodbye wrist pain! 2.Price and ergonomics you just can't beat it.Comfort, Quality, Cost,which is built for right-handed users, reduces muscle strain and can even undo the damage that years of using a traditional computer mouse causes 3.New Take on an Old Idea Well built：Sideways Mouse Lovely Design Fits Your Hand Like a Glove，Colorful LED breathing light. adjustable 4 DPI resolution(3200/2400/1600/800) 4.A good one to start out：compatible with Mac OS X, Linux, and all versions of Windows computers,Extra Functional 5 Buttons,sleeping mode can save energy effectively.And any button to wake it up at any time. 5.Super Guarantee:Wired Vertical Mouse, 1 YEAR unconditional warranty, Friendly warranty support . Gave mine as a gift to a friend and they love it. it is the best Mouse they ever owned