Boasting impressionable design, dynamic sound, instant connectivity and a comfortable fit, you'll be astonished with the practicality and audio quality of these h. ear in Wireless In-Ear Headphones from Sony. Featuring High-Resolution Audio, NFC One-Touch technology and round-the-neck support, these headphones boast an impressive audio range, whilst keeping in line with your preferred style. High Resolution Audio Listen to music that is of studio quality with the High Resolution Audio feature. Read more… The increase of audio samples per second and the bit-rate accuracy of each sample produce audio that is much richer and clearer, with greater depth to every track that you listen to. Greater Wireless Experience Enjoy your listening experience with high quality wireless audio via Bluetooth. LDAC transmits data 3 times greater than conventional Bluetooth, as it maintains maximum bit depth and the frequency range of your tracks when streaming music to your headphones, providing you with high quality audio. Instant Connectivity Immerse yourself in the music without the use of cables by using the NFC One-touch feature. Access your music collection via your NFC-enabled device using its quick and seamless connection and simply hit the play button. If your device does not have NFC set-up, then you can easily connect via Bluetooth. An Impressive Audio Range Delivering frequencies of 5HZ - 40KHZ, the headphones produce a dynamic range of audio with clear and clean precision whether you are streaming wirelessly or playing straight from your music playlist. Clear & Crisp Calls Handle your calls effectively with the built-in microphone that provides HD voice support, allowing you to complete calls with clearer clarity. Comfortable Listening Perfectly fitting around-your-neck, you'll feel weightless whilst listening to your music, whilst the cable remains safely close to you. For optimum comfort, choose from four different sizes of earpiece buds. Longer Listening Power Listen cable-free for longer thanks to the 7. 5 hours' of battery life and enjoy your commute or exercise without the restrictions.