The PROBOKS is charged using the USB-to-microUSB cable. You can charge the battery through most USB compatible power adapters. The USB-to-microUSB cable is included with the PROBOKS.
In order for the PROBOKS to be fully charged, you'll need to charge it for 8 Hours. Ones the PROBOKS is fully charged you have a Avg. battery life of 50 Hours.
When charging the PROBOKS, there is no light in the LED indicator.
When the PROBOKS is turned on, the LED lights up:
Green while in stand-by mode
Blue when signal is detected
Red when battery power is below 10% (approximately 5 hours left of playing)