Exceptional bass for deep, punchy sound As part of the EXTRA BASS range from Sony, the WH-XB700 headphones enhance all your low-end frequencies for exceptional bass, yet maintain vocal clarity, lifting every track with wave after wave of thundering rhythm. Enjoy wireless freedom with NFC and Bluetooth Near Field Communication (NFC) and Bluetooth technology remove the need for wired connections and complex set-up sequences. Simply touch your NFC-enabled device to the headphones for a quick, seamless connection, then start streaming your music collection. No NFC? No problem. Connect via Bluetooth and you’re ready to go. Long battery life for non-stop listening A charge of around 4 hours gives you all day power with approximately 30 hours of play time, so you can keep on listening, track after track, mix after mix. Quick charging when you’re pressed for time If your headphones are running low on power, a 10-minute quick charge will give you up to 90 minutes of play time. Ideal if you’re rushing around from place to place. Sleek design and long-listen comfort Whatever your look, the simple, sleek, sophisticated design of the WH-XB700 headphones with a one-colour vivid accent on the bass housing is the perfect match. Soft cushioned ear pads offer long-lasting comfort, ideal for listening to your favourite albums, back-to-back. Built-in mic for hands-free calls Switch effortlessly between songs and calls with no need to remove your headphones. Just press the multi-function button on the left housing and a built-in mic enables you to take hands-free calls from selected smartphones.