SCOSCHE BMBTCAN BoomBars Portable Bluetooth Speaker with Bike/Stroller Mount No more wires - wirelessly connect your smartphone to the boom bar BT for hands-free music play back No tools required - simple clamp design securely mounts your boom bar to your handlebar or stroller No batteries required - rechargeable battery provides up to 5 hours of music playback Use with virtually any portable media player Includes USB charging cable and travel pouch SHOP WITH CONFIDENCE: Backed by Scosche's 36 month worry-free warranty and friendly customer service