Sony's h. ear in Wireless In-Ear Headphones have been refined for an even greater listening experience. With distinctive design, dynamic sound, instant connectivity and a comfortable fit, you'll be astonished at their combination of practicality and audio quality. Featuring High-Resolution Audio, NFC One-Touch technology and round-the-neck support, these headphones boast an impressive audio range. They feature an improved battery life and gentle vibration in the neckband to alert you to incoming calls. Read more… It all combines to make these headphones an awesome audio companion. High Resolution Audio Listen to music that is of studio quality with the High Resolution Audio feature. 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. And DSEE HX tech upscales compressed, non Hi-Res files to near High Resolution quality. 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. 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 clarity. Comfortable Listening Perfectly fitting around-your-neck, you'll feel weightless whilst listening to your music. And the neckband gently vibrates when you receive a call so you won't miss a thing. The cable remains safely close to you, while built in magnets help keep it tangle-free. For optimum comfort, choose from four different sizes of earpiece buds. Longer Listening Power Listen cable-free for longer thanks to the 8 hours of battery life and enjoy your commute or exercise without the restrictions. Sony Headphones Connect App With this app (iOS & Android) you can fine tune the sound to your preference using an equalizer, or by choosing from a range of presets, and all from the convenience of your smart device.