1. Press and hold the MFB button for 3 seconds to enter the pairing state with red and blue LEDs flickering and reminding tone "Pairing".
2. Turn on the Bluetooth function of device A, search and connect [DT620] in the Bluetooth device list. When you hear "Connected", the LED indicator turns blue and flashes slowly every 3 seconds, indicating that the headset is connected to device A.
3. Turn off the Bluetooth function of device A, and when you hear "Disconnected", and [DT620] re-enters the pairing state.
4. Turn on the Bluetooth function of device B, search and connect [DT620] in the Bluetooth device list, when you hear "Connected" and the LED indicator turns blue and flashes slowly every 3 seconds, it means that headphone is connected to device B.
5. Turn on the Bluetooth function of device A again, search and connect [DT620] in the Bluetooth device list, and when you hear "connected" , it means that the headset has successfully connected to both device A and device B.
Note:
When you are listening to music on device A and there is an incoming call on device B, just click the MFB button to answer the call.