Description: It can connect to another device via usb receiver, plug and play. Comfortable claw-grip design, long-term use without fatigue. Two style for you choose. Rechargeable style and 1x AA battery powered style. Wide compatibility, suitable for laptops, desktops or any devices with usb ports, just plug in the usb receiver to play directly. 3 DPI levels available, 800/1200/1600 DPI. Portability and pocket size. Very suitable for travel, and can be easily placed in a laptop bag or pocket. Specification: Size: Approx. 105x56x27.5mm/4.13x2.20x1.08inch Material: Plastic Package Includes: 1 Set Wireless Mouse Note: Battery powered style not include battery. 1.Please allow 1~3 cm error due to manual measurement, thanks. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Please understand, thank you.