J0326 InfoThink Snoopy Series Plush Mouse Design Officially licensed by Peanuts 2.4 GHz wireless technology Up to 10 meters receiving distance 1200 DPI high resolution for smoother movement 3 million clicks lifespan Ergonomic symmetrical design suitable for both left and right hands Ultra-small receiver fully收纳 USB receiver, plug and play, no driver or setup required Recommended to use one AA (AA) alkaline battery (battery not included) Certified by NCC and BSMI Number of buttons: 3 keys Resolution: 1200 dpi (±15%) Input power: 1.5V/15mA Power consumption: Operation: 1.5V/8.3mA, Sleep: 1.5V/52uA Frame rate: 2400 frames per second Wireless frequency: 2.4GHZ (2.402GHz-2.480GHz)