1000CPI 2.4GHz RF Wireless USB Optical Mouse with Hidden USB Receiver (1*AAA)
Model: 400V - 500/1000CPI (counts-per-inch) adjustable optical tracking mouse engine - 2.4GHz radio frequency wireless link 12 hopping frequencies - Compact USB receiver can be hidden and stored inside the mouse - Wireless range: 10 meters - 1xAAA batteries included * May ships in other packagings.