The headphones offer world-renowned JBL Pure Bass sound, found at almost every famous venue around the world. Stream high sound quality music wirelessly from your smartphone or tablet without the clutter of wires. Listen wirelessly for 40 hours for long-lasting listening pleasure, then recharge the battery in just two hours with the convenient USB Type-C cable. A quick five-minute fast charge provides two additional hours of music. With the JBL Tune 510BT headphones, you can stream powerful JBL Pure Bass sound, no wires, no ifs, ands or buts. These easy-to-use headphones provide up to 40 hours of pure enjoyment and can be recharged in just 5 minutes with the USB-C charging cable for an additional 2 hours of listening fun. If you get a call while watching a video on another device, the JBL Tune 510BT seamlessly switches to your mobile device. The Bluetooth 5.0-enabled JBL Tune 510BT headphones are so user-friendly, you can connect to Siri or Google without using your phone. The JBL Tune 510BT headphones come in a variety of fresh colors, and they fold up easily for travel. It's a grab 'n' go solution that provides the musical accompaniment for every aspect of your life.