SANWA 2.4G Wireless Ergonomic Mouse, Optical Vertical Ergo Mice for Small Hands, Reduce Wrist Strain, 800/1200/1600 DPI, 5 Buttons, Compatible with MacBook, Laptop, Windows, Mac OS, Black

ERGONOMIC DESIGN - Places your hand in a natural " handshake" wrist & arm position for smoother movement and less muscle tension. Cute Rounded shape just fits in the palm of your hand. Once you get used to it, you will love it!
ADJUSTABLE DPI - Switch between DPI levels 800 / 1200 / 1600 to adjust mouse responsiveness depending on your needs. And Blue LED tracking technology, enabling you to use the mouse on a wide range of surfaces.
EASIER WEB BROWSING - Advanced " Back" & " Forward" functionality buttons that located near the thumb area will provide convenience when web page browsing. *For Mac series, Forward / Backward buttons will not work.
WIDE COMPATIBILITY - Compatible with most system including Windows 10 / 8.1 / 8 / 7, XP, Vista & macOS 10.1210. 14, Mac OS X 10.310. 11. Fit for Notebook, PC, Laptop, Computer and other device. *Not fully compatible with Apple products.
2.4GHZ WIRELESS - You can enjoy a clutter-free work area!
Notice: All SANWA Products provide the same high quality after-service as in Japan, including a 1-Year Worry-Free Manufacturer Warranty & free lifetime technical support.