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Product will not turn on | Bose Frames Alto
Check for and install any available product updates.
Regardless of the issue you are experiencing with your product, try updating it. Visit btu.Bose.com and follow the instructions to ensure your product has the latest features and enhancements.
Avoid holding the Power button while powering on or off your product.
To turn your product on or off, quickly press and release the Power button 
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 charger.
Charge times can vary based on the charger. Chargers with a higher current rating generally charge products faster than those with a lower rating. Chargers typically list a current rating on the label in amps (A) or milliamps (mA). A current rating of 1 A / 1000 mA or higher is recommended.
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