STEP 1
Please make sure the conditions below are met:
- Proper environment: no antennas or multiple other wireless devices nearby
- The distance between your device and the headset is less than 30 feet / 10 meters
- The headset is not low on power.
- The volume level is not set to a 0 level on both the headphones and the device.
Your smart device’s is not connected to any other device using 3.5mm wire.
If there is still no sound in the headphones, please check them with another application (any other music player app) and try to pair it with another device. Do you get the same result?
Also, please check the headset both via Bluetooth and LINE-IN mode? Does the headset work when AUX cable is used?
STEP 2
1. Please ensure that your TREBLAB Z7-Pro have a charge, are not charging right now, the AUX cable is not plugged in and the headphones are not connected to any device.
2. While the headphones are turned off, go to your device's Bluetooth menu and delete "TREBLAB Z7-Pro" from the list by clicking "forget this device".
3. Turn your device's Bluetooth off and on. TREBLAB earphones will be deleted.
4. Turn ON your headphones.
5. Press and hold the PAIRING button for 5 seconds. You will hear the "Factory reset complete" and "Bluetooth pairing on" voice prompts.
6. Using your device, scan/search for available Bluetooth devices. TREBLAB Z7-Pro should be in the device list. Select it.
7. Once Z7-Pro is successfully paired and connected, the LED will start flashing BLUE slowly.
Once the reset is complete, please try your headphones in the proper environment mentioned earlier and with a couple of devices and applications.
STEP 3
If the issue still persists and you want our further assistance, please click Contact Us. We will help!