Wireless optical Mouse, 1)Wireless optical mouse 2)USB mouse 3)Mini mouse 4)Working distance:10M 2.4G Wireless Mouse, Wireless optical Mouse,*Wireless carrier frequency:2402MHZ-2480MHZ*Wirelss working channel:16,automatic frequency ... using two AAA batteries*Rated current:20-25mA*Tracking systems:optical*Maximum acceleration:14 inches/sec*Resolution:800/1600 adjustable*3 ...