Why will my Braven-BRV HD not turn on?

Why will my Braven-BRV HD not turn on?

I recently got these speakers and it was working fine. I tried pushing and holding the power button like I was supposed to, but the speaker would not turn on. Why will my device not turn on?

ANSWERS:

"The device may not be powering on for many reasons. You speaker may not be turned on, the battery may need to be charged, or your power button may be faulty. For more information please reference our troubleshooting page.

Braven BRV-HD Troubleshooting"