Most JBL Bluetooth speakers, including the XB 21, offer truly portable operation via their lithium ion batteries inside. And when…
Many Sony speakers, including the Sony XB 21 Bluetooth party speaker, feature a blinking orange light that tells you that…
Many Sony speakers, including the XB 21, feature a charging status light that lights up orange while they're charging. But…
When the Power button on your Sony XB 21 is not working, this likely means one or more things as…