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. Once the PROBOKS is fully charged you have an 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)