New Arrival! Ultra Portable Wireless Bluetooth Speaker with Built-in Mic, Enhanced Bass Boost, 24 Hour Rechargeable Battery (Blue) High Capacity Battery: Built-in 5200mAh rechargeable Li-Ion battery for up to 24 hours playtime Excellent Sound: Powerful play function like computer speaker, stereo, fully feeling of listen, bass sound Perfect Connection: Compatible with all Bluetooth-enabled devices (2.1 and over). 3.5mm audio port for non-Bluetooth Professional Design: Built-in microphone for hands-free speaker phone calling Easy to pair - No code/pin needed Warranty: 12 months warranty! Just to try our super quality bluetooth speaker and we take all of the risk