Users Manual
Pairing
Charge the earbuds fully before pairing it to you device for first time using.
1.Open the lid of the charging case, the Earbuds will automatically power on and paired to each other.
2. When blue/red lights in the right or left earbud flashing alternatively, means earbuds are ready to be paired
to your device.
3. Active Bluetooth function on your device and select Defunc TRUE MUTE in the Bluetooth list.
ANC/Monitor
Earbuds boot will not automatically active the ANC or Monitor function and need to operate through the
follow steps.
1. Press the right earbud for 3 seconds to the ANC function.
2. Press the right earbud for 3 seconds again to close it and enter into Monitor function.
3. Press the right earbud for 3 seconds again to close the Monitor function.
Charging
Charge earbuds: Put the earbuds back into charging case and close the lid.
Charging: Red light of earbuds is on.
Charge case
Connect it to the power supply with USB cable.
Charging: Blue light flashing
Charging status: Each light equals 25% charged, once accumulated up to 25% then the flashing light begin
to on, and the next light start to flashing.
Fully charged: All 4 lights are on, and then all go out.
Charing Case and earbuds can be charged simultaneously.
For support, visit www.defunc.com/troubleshooting