JBL® engineers believe that you should never have to sacrifice performance for portability. Introducing the JBL Micro Wireless ultra-portable loudspeaker. With its compact size, Jbl Micro Wireless speaker lets you take great JBL bass anyplace. It’s the first ultra-portable speaker featuring a Li-ion (lithium-ion) rechargeable battery good for 5 hours of performance, a built-in bass port for powerful low-frequency playback and wireless Bluetooth® connection. With a 1-5/8-inch (40-millimeter) driver, it delivers full-range JBL sound with superb bass – yet it clips onto clothes or fits easily in a backpack. You can wirelessly stream audio to the speaker from any Bluetooth-equipped mobile phone or tablet, or use the included 11-13/16-inch (30-centimeter) audio cable – with a 1/8-inch (3.5-millimeter) stereo mini jack – to connect the speaker to any mobile device or MP3 player. You can even daisy-chain the speaker with other JBL Micro Wireless speakers for a powerful sonic experience. An ideal wireless audio solution for indoor or outdoor playback, the JBL Micro Wireless offers performance, portability and pricing that the competition can’t touch.