– Wirelessly pair with your smartphone or tablet using Bluetooth and NFC – Enhance bass-heavy music with Extra Bass technology – Up to 30 hours of play time – Swivel flat ear cups for easy storageWireless connectivity Removing the need for wired connections, NFC and Bluetooth let you connect wirelessly to your media player in moments. Whether you use NFC one touch pairing or Bluetooth, you can link your phone or MP3 quickly and seamlessly for a reliable wireless connection. Extra Bass in extra comfort Delivering a deep, punchy sound, the XB650 Headphones are ideal for listening to dance music and other bass-heavy genres. Extra Bass technology provides an acoustic seal for superior sound isolation, a tight bass response and deep bass sounds. Even the headband is designed for better bass, providing a comfortable and stable fit to minimise vibrations from powerful low notes. Listen for longer On a charge of just four hours, you can enjoy up to 30 hours of play time, so that you can listen to track after track on long journeys. Swivel flat ear cups Enabling easy storage when they’re not in use, the swivel flat design lets you pack them into a suitcase or bag without worrying about them taking up too much valuable space.