The JBL Tune 720BT headphones broadcast powerful JBL Pure Bass sound thanks to the latest 5.3 BT technology. Easy to use, these headphones provide up to 76 hours of pure enjoyment and 3 additional hours of playback of battery with only 5 minutes of charging. Download the free JBL Headphones app and customize your sound with EQ, while Voice Prompts guide you through the headphones' features. Manage calls, sound and volume from the earbud, thanks to the convenient control buttons. If a call comes in while you're watching a video on another device, the JBL Tune 720BT seamlessly switches to your mobile device, so you never miss a call. Lightweight and comfortable even after hours of listening, the JBL Tune 720BT headphones fold flat into a backpack to follow you everywhere.