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 1000 / 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 11 / 10 / 8.1 / 8; macOS (Sonoma)14, (Ventura) 13, (Monterey) 12, (BigSur) 11, macOS 10.1210.15; Chrome OS and versions later on. Fit for Notebook, PC, Laptop, Computer and other device. *Not fully compatible with Apple products. PLUG AND PLAY - No driver