JBL Micro Wireless Bluetooth Speaker (Green) Wirelessly stream audio from your portable devices like smartphones and tablets Experience loud and clear JBL sound from a compact speaker with a tuned bass port Get up to five hours of uninterrupted audio from its rechargeable battery Portable design fits easily into backpacks or pockets Smart-cable design - Built-in 11-13/16-inch (30-centimeter) audio cable with 3.5 mm plug stores in the bottom of the speaker to prevent tangling