Note: 1. Please note that this mouse requires 2 * AAA batteries, which is NOT included in the package. 2. Please allow slight error due to manual measurement. Thanks for your kind understanding. Specification: Type: Wireless Mouse Power: 2 * AAA batteries (NOT included) Switching life: 5 million cycles High resolution: 1600DPI Button: 3 buttons with scroll wheel Wireless carrier frequency: 2402MHz-2480MHz Maximum acceleration: 14 inches per second Wireless: 2.4GHz wireless transmission Working distance: Up to 10 meters Compatible system: For Windows XP / Vista / Windows 7 / ME / 2000 / Mac OS, or later Weight: Approx. 59g Size: Approx. 10 * 5.5 * 3.5cm / 3.9 * 2.2 * 1.4in Package list: 1 * Wireless Mouse 1 * USB Receiver See more

AFTER SALES GUARANTEE：If there are any problems or dissatisfaction with our products, please feel free to contact us. Thank you for purchg from us. HIGH ACCURATE OPTICAL MOUSE：Positioning accuracy of up to 1600 DPI, to meet the daily office needs and gaming entertainment. WIDE COMPATIBILITY：Wireless car shape optical mouse is for Windows XP / Vista / Windows 7 / ME / 2000 / Mac OS, or later. EXCELLENT STORAGE：The bottom of the mouse is equipped with a receiver storage compartment to store the pouched USB receiver. UP TO 10M WIRELESS TRANSMISSION：Stable and smooth transmission.2.4G wireless connection for easy operation.