??Ergonomic Design for Larger Palms?This streamlined mouse based on the curvature of the palm of your hand can perfectly fit your palm. It can effectively relieve hand soreness and keep your hands comfortable after prolonged use. Exclusive size, perfect for medium and large palms. | ??Skin-Friendly Surface, Quick Response?Non-skid and sweat-resistant finish offers your Palm maximum support and comfort.Practical six-button design, non-slip rubber scroll wheel for stable operation, side buttons for fast operation while browsing the web. 3-level adjustable DPI settings (800/1200/1600) to meet your different needs, either for daily work or gaming. | ??Plug and Play, Stable Wireless Connection?The 2.4GHz wireless connection technology provides a stable and reliable connection with a working distance of up to 32 ft (15 meters). No other driver is needed.Take out or store the USB receiver in the bottom.Put a finger on the small rectangular recess on the back cover, and gently slide it down to open the back cover. You can easily install and replace the battery. | ??Intelligent Power-Saving, Long Battery Life?Include a switch button on the back of this mouse to save power. And it will enter sleep mode after 10 minutes of no-operation. Press any button to wake it up. Note: powered by 2*AAA battery of about 12-month lifespan (not included). | ??Wide Compatibility?Compatible with most system including Win XP/7/8/10 and Mac, but the side buttons are not compatible with the Mac system. Fit for PC, Computer, Notebook, Laptop, MacBook and other devices.