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Battery will not fully charge | Bose Sport Earbuds
Look for and clear any debris from the battery contacts on the product and the charger.
If the battery charging contacts on the product or charger are obstructed, the product might not charge properly. Clear any debris by gently wiping the contacts or by applying compressed air.
If your product has been in extreme hot or cold temperature, wait until it reaches room temperature.
If the battery temperature is beyond the operating temperature range, wait until the product reaches room temperature, then try again.
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.
Check that the USB charger meets the power requirement of your product.
On the USB charger, there will be text that indicates the amp (A) or milliamp (mA) rating of the charger. This rating varies among chargers – including those supplied with different models of Bose products. The closer the amp rating of the charger is to the maximum amp rating of the product, the more quickly the product will recharge. If the amp rating of the charger is too low, the product may recharge slowly or not at all. Refer to the specifications indicated on the product or within it's owner's guide on for details.
Some products require minimum of 1 amp of current in order to recharge. Many USB ports on a computers can only provide a maximum of 0.5 amps of current. Be sure to use a safety-agency-approved power supply that meets local regulatory requirements (e.g. UL, CSA, VDE, CCC).
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.
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