Covers how to check battery in the Sony SRS XB21 wireless Bluetooth speaker, and also, how to tell if the…
The Sony SRS XB21 battery indicator is an LED in the rear button / port panel on the speaker. Find…
Covers how to check battery life and level on the Sony Extra Bass SRS XB21 Bluetooth speaker, and also, how…
Covers how to check battery life and level on the Sony Extra Bass SRS XB21 portable Bluetooth speaker, and also,…