When all 5 are solid white the battery has completely charged. 01/12/2018 by So ... just updated Firmware and haven't had a problem yet ... hoping for the best - THANK YOU for the JBL Connect nod - completely forgot about it! Pair two JBL PartyBoost-compatible speakers together for stereo sound or link multiple JBL PartyBoost-compatible speakers to create a bigger party. Pair two JBL PartyBoost-compatible speakers together for stereo sound or link multiple JBL PartyBoost-compatible speakers to create a bigger party. The solution was pressing at same time button "+" and button "play/pause" until the device turn off, <<<<<<80dB Type de batterie : Li-ion rechargeable /K@FD CD EQDPTDMBD CD K DLDSSDTQ Bluetooth: 2.402 – 2.480GHz /THRR@MBD CD K DLDSSDTQ