MORLOCK BT MT1120 has 5 built-in function buttons and a wheel for smooth scrolling documents or websites.
Compatibility with Windows WIN 7 32/64 bit / WIN 8.1 32/64 / WIN10 32/64 bit, Mac OS.
Power supply: 1 1.5V AA alkaline battery (not included).
Pairing: press and hold the left button+ scroll for 3 seconds. Select "BT mouse"