:true wireless, enjoy the freedomit is time to enjoy or share your favorite music freely!jbl now brings its brand-new tws4.
• no more wires between the twin headphones! you can give one of them to a loved one, and enjoy your favorite song together at ease.
• charging on the go12 hours playback ( 3 times of additional charging 9 hours of additional playback ) tws4 lasts for 3 hours on a single charge. carrying the headphones steadily and firmly, the charging case can add an additional 9 hours of play- back time.