Keychron B1 Pro - Page 3

3
1
Connect 2.4GHz Receiver
Switch toggle to 2.4GHz mode
Connect the 2.4GHz receiver to
the device USB port.
2
Connect Bluetooth
Switch toggle to Bluetooth
Press fn + 1 (for 4 seconds) and pair with
device named Keychron B1 Pro.
2.4G = 2.4GHz
BT / Cable / 2.4G
BT / Cable / 2.4G
fn + 1