If you use the sponge with water

making it easy to manage

Light colors: Approximately 80%

1*AA Alkaline Battery Included

JBL Go Essential 2 Black Pickup Only If you use the spongeThe JBL Go Essential 2 Black is the same ultra compact, portable Bluetooth speaker as the Blue version, but in a sleek Black color. It delivers the same "big sound" from a tiny frame. Despite its compact size, it delivers clear and loud JBL Original Pro Sound. Sound Technology: JBL Original Pro Sound with rich bass. Output Power: 3. 1W RMS. Speaker Unit: 40mm transducer. Frequency Response: 180Hz 20kHz. Signal to Noise Ratio: >80dB for clear, detailed