Closed-back headphones – Bluetooth – Built-in microphone – Volume control – Foldable – Pure bass. No wires. JBL Tune 720BT headphones stream powerful JBL Pure Bass sound thanks to the latest 5.3 BT technology. Easy to use, these headphones offer up to 76 hours of pure enjoyment and 3 hours of battery life with just 5 minutes of charging. Download the free JBL Headphones app to customize your sound through the EQ, while voice prompts guide you through the headphone functions. Control calls, sound, and volume from the earcup, thanks to the convenient control button. If a call comes in while you’re watching a video on another device, JBL Tune 720BT seamlessly switches to your mobile phone, so you never miss a call. Lightweight and comfortable even after hours of listening, JBL Tune 720BT headphones fold flat in your backpack for easy portability.