The JBL Micro II in Orange & White is the first ultra-portable speaker featuring a Li-ion rechargeable battery and a built-in bass port. With a 1-5/8" (40-millimeter) this speaker delivers full-range JBL sound with exceptional bass - even though it's small enough to fit easily in backpacks or clip onto clothes. It connects to any mobile device or MP3 player with a built-in audio cable and you can even daisy-chain it with other JBL Micro II speakers for a powerful sonic experience. Features a rechargeable battery for convenient portability and extended playback time; Auxiliary-input (aux in) connector allows you to plug into practically any audio device; Built-in bass port; 5-hour rechargeable Li-ion battery; LED Indicator; Includes JBL Micro II speaker micro USB cable for rechargingCarrying pouch Warranty card Quick-start guide.