Sony SRS XB41 Battery Indicator, Charging Light

The Sony SRS XB41 Bluetooth speaker has a simple battery level indicator LED in the back button panel, just above the USB power input port, as shown in the pictures that follow.  This communicates battery status in a rudimentary way. Specifically, whether the battery is draining or charging, or whether it’s critically low or not … Continue reading Sony SRS XB41 Battery Indicator, Charging Light