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No power | QuietControl™ 30 wireless headphones
Be sure the headset is powered on.
Press the Power/Bluetooth® button firmly until the power indicator glows green, yellow or red to indicate the current battery charge level.
Check if the battery is charged.
Be sure the battery is not depleted. For more info see, Checking the remaining battery charge and Charging your headphones.
Check for and install any available product updates.
On a computer, visit btu.bose.com and follow the instructions to ensure your product has the latest features and enhancements. See Checking the software or firmware version and Updating the software or firmware of your product.
Check if the battery is charged.
Be sure the battery is not depleted. For more info see, Checking the remaining battery charge and Charging your headphones.
Use a wall outlet USB charger to charge your headset.
Charger specifications vary. Be sure to use a UL/CE approved charger that provides 1 Amp. (Tip: Chargers that provide lower amperage (like a computer USB port) will take longer to charge your headset.)
Try a different USB cable.
Try connecting your product with a different USB cable to determine if there is an issue with the first cable.
Reset your product.
Much like rebooting a smartphone, your product might need to be reset on occasion to correct minor issues. For more information, see Resetting your product.
See if the power/battery light is blinking red.
The power/battery light blinks red if the headset is outside its operating temperature range. For info on product light status, see Understanding LED indicator status lights and information.
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