Pairing process is largely automatically, the Bluetooth remote, upon pressing the main button, automatically pairs with any Bluetooth bike light that is connected to a battery in the vicinity.  Unlike the 2.4g version, this Bluetooth remote can only control one bike light at a time.

Compatible with MJ-900B, MJ-902B, MJ-906B bike lights.

The remote uses CR-2025 battery to function, one is included by default.

Come with O-ring for handle bar mounting.