How long is the battery life of the A90 Pro earbuds?
The A90 Pro earbuds provide 6 to 8 hours of battery life on a single charge. The charging case has a 300mAh battery that can fully charge both earbuds five times, providing over 30 hours of total battery life, for a combined total of up to 40 hours of listening. (Page 16)
From the official Btootos A90 Pro Wireless Earbud Bluetooth Earbuds manual, page 16
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