The MDR-ZX310AP ZX Series Stereo Headset from Sony allow you to play back audio and take calls from your compatible smartphone. They feature 30mm drivers with Ferrite magnets as well as an in-line microphone and smartphone remote. Their remote is compatible with Sony's Smart Key app for Android devices, allowing you to customize how the remote controls your device.
Smartphone Playback Control
The integrated microphone and multi-function control button make the MDR-ZX310AP a companion for your smartphone. Android users can also use the Smart Key app for added control functionality directly from your smartphone.