JBL Pulse Wireless Bluetooth Speaker with LED lights and NFC Pairing (Black) Color: Black Speaker Type: Bluetooth Speaker Specification: Power supply: DV 5V 2.3A Battery type: Polymer Li-ion 3.7V 4000mAh, 14.8Wh Frequency response: 105Hz - 20kHz Maximum SPL: 86dB Power output: 2 x 6W Transmitter power: 0 ~ 4dBm LED lights: 64 LEDs with 5 pre-programmed light patterns Connection: Bluetooth jack 3.5mm Bluetooth frequency range: 2.402 GHz - 2.480 GHz Bluetooth transmitter power: 0 ~ 4dBm Connectivity: Power Supply Battery Wireless Technology: Bluetooth Total Power: 12W Total Power Weight: 1.12 lbs. Package Contents: Retail