The headphones are engineered with JBL's Pure Bass sound technology that delivers a powerful and immersive audio experience. They are perfect for individuals who prioritize high-quality sound and deep basses in their music, podcasts, or audio-books. ''2. Wireless Bluetooth Connectivity: The TUNE520BT headphones feature Bluetooth 4.2 wireless streaming capability, allowing you to connect to your smart devices effortlessly, without any cables for a distraction-free and hands-free experience.''3. Long Battery Life: It's designed with a rechargeable battery that delivers up to 16 hours of playback on a single charge. This feature ensures a long-lasting music experience, ideal for travel or extended use.''4. Integrated Controls: These headphones provide simple in-built control buttons for easy management of your music and calls. You'll have the power to play, pause, skip and control the volume of your audio content at your fingertips.''5. Comfortable and Lightweight: The on-ear design ensures comfort for long hours of usage. The lightweight material of the headphones makes them very convenient to carry around.''6. Integrated Microphone: It has an in-built microphone that lets users take calls hands-free, making it perfect for individuals on-the-go.''7. Fast Charge: With its fast charge capabilities, you can achieve two hours of playback with a quick 5-minute charge.''8. Multipoint Connection: The headphones also have the 'Multipoint Connection' feature which allows you to effortlessly switch from a video on your tablet to a call on your mobile phone, so you'll never miss a call.''Please note, details about warranties or after-sales service may need to be obtained from the particular seller or manufacturer directly.'