Ergonomic Design Small Size -- With the unique streamlined shape the ergonomic mouse creates a comfortable and natural grip making it helps to relieve wrist discomfort or strain. *Small size is great for small hands or most women's hands. For medium hands you may have a try. (Right-handed)Silent Click Durable -- Left / Right click is quiet the colleague next to you does not hear any sound. AUTLEY wireless vertical mouse makes you focus on working without disturbing others especially at home or in the library/the coffee house. *High quality keys 5 millions clicks life.

Wireless 2.4G AA Battery Powered -- Wireless 2.4G connection plug and play. This vertical ergonomic mouse is compatible with Windows Mac Linux. *Powered by 1*AA battery (not included) easy to replace no worry about the awkwardness of power running out. Adjustable DPI Forward/Backward Button -- 800-1200-1600 DPI (slow to fast) different sensitivity level meets various tasks. Thumb Forward/Backward button provides convenience when browsing webpages or file folders.
(NOTE: Forward/Backward button is not recognized on Mac)Customer Service -- 1-Year Warranty (Replacement or Refund). In general it will take several days to get used to the ergonomic mouse. If not fit your hand well or malfunction please contact us for help replacement or refund at any time. We promise to reply to you within 24 hours.