? Product Features:<br/> <br/> Excellent sound performance<br/> High-fidelity sound system with dual built-in subwoofers<br/> Soundbar produces impressive sound when you play games, enjoy music or watch movies.<br/> <br/> ? Product Specifications:<br/> <br/> Bluetooth version: 4.2<br/> Battery capacity: 4000mAH<br/> Frequency response range: 100HZ-20KHZ<br/> Play time: 8 hours<br/> Number of speakers: 2<br/> Effective distance: 10 meters<br/> Operation method: button<br/> Shell material: metal<br/> Cabinet material: ABS<br/> Playback format: MP3 / WMA / WAV<br/> Supported formats: U disk