2.4GHz wireless transmission with a range of up to 10 meters/32.81 feet. Compact and lightweight, the USB receiver can be placed on the back of the mouse for easy portability. The wireless mouse is connected via a USB receiver. It is the ideal companion for laptops in the home and office. With automatic frequency hopping and rated work. Ergonomic design for comfortable grip and use. Type: Wireless Mouse Material: ABS Number of Keys: 6 Photoelectric Resolution: 1600dpi RF Carrier: 2402-2480MHz RF Operation Channel: 16 Range: 0-10m/0-32.81ft (Approx.) Operating System: for Windows98 SE/ME/2000/XP/2003, for Mac Working Current: 1.5V, 15mA USB: USB 2.0 Power: 2 x AAA Batteries (Not Included) Features: Wireless, Ergonomic, Easy to Use, Portable Size: 11cm x 6.8cm x 3.8cm/4.5" x 2.7" x 1.5" (Approx.) Notes: Due to the light and screen setting difference, the color of item may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: 1 x Wireless Mouse (Battery Not Included) 1 x USB Receiver