Product Description Features: 1.Wireless mouse is connected through the USB receiver. 2.Equipped with 2 AAA batteries, low power consumption. (Batteries are not included.) 3.With 2.4GHz wireless transmission, the operating distance is up to 10 meters / 32.81 ft. 4.With automatic frequency hopping and rated work. 5.With ergonomic design, comfortable grip and use. 6.With high quality, decent and modern design. 7.Compact and lightweight, USB receiver can be placed in the back of the mouse, easy to carry. 8.The ideal companion for laptops for home and office to use. Specification: 1.RF carrier: 2402-2480 MHz 2.RF operating channel: 16 3.Range: 0-10M / 0-32.81 ft 4.Operating system: Windows98se / WindowsME / Windows2000 / WindowsXP / Windows2003 / Mac version 5.Operating current: 1.5V ,15mA 6.USB: USB 2.0 7.Power supply: 2 AAA batteries (not included) 8.Material: ABS 9.Color: Red/ Black /Gray 10.Connection: Wireless 11.Wireless transmission frequency: 2.4GHz 12.Number of keys: 6 13.Photoelectric resolution:1200 (dpi) 14.Weight: about 60 g 15.Size: about 11.5 * 7 * 3.8 cm / 4.53 * 2.76 * 1.50 in Packing list: 1 * 2.4G wireless mouse 1 * USB receiver