We appreciate your feedback. We're here to help. If the power/battery light indicator is OFF 1. Power cycle by pressing and holding the power button for 30 seconds while the unit is not plugged into a power source, to see if the unit will unlock. 2. Use another charging cable AND power adapter rated 5V 1amp to see if the unit will charge. 3. While it's extremely uncommon, try to use another wall outlet to be certain that the issue is not with the outlet. 4. Sand and dirt can get into the product's charging port. Clean the charging port with compressed air. If the power/battery light indicator is ON 1. The charger may not be powerful enough to power the unit and charge the battery. Check the adapter and make sure that the rating is 5V 1amp or higher. 2. Resetting may fix the issue, much in the way rebooting a computer or phone fixes many problems. Note: RESET will wipe all previous settings and pairings, so it will be necessary to pair your unit with your devices again. To Reset 1. Turn the headphones on 2. Press and hold "Volume +" and "Volume -" for more than 5 seconds. The headphones will turn off, and reboot to factory default. You may need to 'forget' the headphones in Bluetooth settings on your phone/tablet in order to pair them again. We can help file a warranty claim If you need further assistance, please contact us.

Thanks for your feedback. We're here to help with your JBL Tune 770NC. Please try using a different USB cable and USB charger (preferably one with a minimum 2 amp rating), as well as unplugging and re-plugging the cable from your device. For further assistance, please contact our Canada support at 877-457-2592

Thanks for your feedback. We're always looking for ways to improve. For our JBL Tune 770NC, you can try troubleshooting the unit by resetting it. To reset: Turn the headphones on. Press and hold "Volume +" and "Volume -" for more than 5 seconds. The headphones will turn off and reboot to factory default. You may need to 'forget' the headphones in Bluetooth settings on your phone/tablet in order to pair them again. On the JBL Headphones app choose between Active Noise Cancelling (ANC) to shut out noise, Ambient Aware to hear environmental sounds or TalkThru to have quick chats with your headphones on. VoiceAware allows you to choose how much of your own voice you want to hear when on a call. If you need more help, please contact our customer support.