Wireless portable stereo speaker, which is due to possibility of Bluetooth connectivity, LED light effects and unique sound great complement to any party. The inherent sound of JBL in HD is secured by two powerful 40 mm drivers and built-in bass port. Speakers thus offer a frequency response of 100 Hz-20 kHz, maximum SPL of 86 dB and output power of 2 x 6 W. In addition, it is equipped with 64 LED lights with 5 effect processing schemes that can be pre-programmed via touch controls to adjust the brightness or contrast. Audio transmission via Bluetooth using NFC technology ensures compatibility and quick pairing with all smartphones or tablets. Output of Bluetooth transmitter is 4 ~ 0 dBm. Rechargeable lithium-ion polymer battery (4000mAh 3.7 V, 14.8 Wh) ensures audio playback of up to 10 hours (just music) or five hours (sound combined with light effects). Included is a USB power adapter (DV 5V 2.3A) USB Cable, Quick Start Guide and Security Guide.