<p>Designed to offer you an unmatched 60W audio experience, our powerful speaker features 4 enhanced speakers (double woofers, and double tweeters). Want music concert-grade sound? You can pair 2 x W-KING Bluetooth speakers for the ultimate studio experience! Ideal for kids who want to enjoy their music outdoors, college students, campers, hikers, backpackers, and gadget-nerds, our advanced Bluetooth wireless portable speaker will make a great birthday or holiday gift!</p> <p>Specifications:</p> <p>Audio Output: 60W RMS(80W PEAK)</p> <p>Battery Capacity: 12000mAh</p> <p>Input: 5V/2A</p> <p>Bluetooth Frequency Range: 2400 - 2485MHz</p> <p>Sound Frequency Range: 80Hz－20KHz</p> <p>THD+N: ≤1%at 1KHz 1M/1W</p> <p>TF Card File Support: File Format: FAT16 FAT32 exFAT FAT64; Audio Format: MP3、WAV 、APE、FLAC、WMA </p>