The MDR-ZX770BT Bluetooth Stereo Headset from Sony provides wireless playback along with the ability to take calls hands-free. It is Bluetooth 4.0 compatible, and also features NFC tap-pairing with compatible devices. For audio quality, the headphones have AAC and aptX codec support, along with Sony's Beat Response Control for accentuated bass response. The built-in rechargeable battery provides up to 17 hours of playback before needing to be charged.
Enjoy hands-free calling thanks to the integrated microphone and Bluetooth profile connectivity. Once your phone is paired, simply press the phone button on the earpiece to accept incoming calls, then press again to terminate the call. Music playback will automatically resume once the call is completed
The built-in rechargeable battery provides up to 17 hours of continuous, wireless music playback. For hands-free calling, you can speak freely for up to 17 hours, or up to 450 hours on stand-by
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