Product Feature: Size: 213*80*80.6mm. BT Version: V5.0. Frequency Response: 20Hz-20KHz. Battery Capacity: 2000mAh. Music Play Time: 5-7 hours. Waterproof Rating: IPX 4. Audio Output: 10W. Superior Sound Quality: Wherever life takes you, experience your music with powerful stereo sound and crisp, tig..