Finger Barrel Mouse DPI power saving optical high extremely small operating Convenient to compatible with Windows Mac smartphones and tablets

Color: Black/White Connection: 2.4G wireless/Bluetooth Speed sensitivity DPI: 1200/1600/2400/3200 Matte finish that feels good on the skin Compact and tireless! It's ergonomically designed and quiet, and since you can control it with your fingers, it won't heat up in your hands, and your hands won't be strained, so you won't get tired! The operating range is narrow and can be operated on a laptop, the speed sensitivity DPI can be switched to 4 levels on the main unit, compatible with Win Mac smartphones and tablets, and 2.4G wireless and Bluetooth connectivity.