The Joy Factory Oracle High-Definition Carbon Fiber Bluetooth Speaker for iPads/Smartphone (SPX101) Fashion forward Protective Practical High-Definition Carbon Fiber Bluetooth Speaker Soul-Shaking Sound - Thrill to crisp highs, rich bass, and room-filling volumemagic you have to hear to believe. Plays well with others - The Oracle pairs easily with Bluetooth-compatible devices, and any devices that output sound through a standard 1/8 inch (3.5mm) audio cable. When the Oracle is fully charged it will stream up to 6 hours of your favorite tunes over Bluetooth and up to 10 hours when using the included audio cable. Playback Time: Up to 6 Hours over Bluetooth. Up to 10 hours with audio Cable.Speaker Output: 4 2W.