Apple "Bluetooth" Mouse (p/n 1000850) (M9269ZM/A 1000850) Recommendations

The Apple Wireless Mouse works with the Bluetooth option in your Mac to provide a cable-free way to interact with your system at a distance of up to 10 meters (33 feet). Bluetooth virtually eliminates interference with other wireless devices such as other keyboards and mice in an office setting or cordless phones and remote control toys that are found in the home environments.