The Sony MDR-EX31BN earphones, features a Bluetooth receiver/connector apart from one-touch NFC connectivity. The device sports a 13.5mm sound driver with integrated noise cancellation.
The Bluetooth connector on the Sony MDR-EX31BN features a power button in the middle. The power button additionally acts as the call receiving button. On the sides other buttons to play, pause, stop, and perform other functions are housed.
The 20Hz-20kHz frequency-delivering earphones come with a Micro-USB cable for recharging. The earphones can run for 10.5 hours on full charge, and are also equipped with an inbuilt microphone for voice-calls. The Sony MDR-EX31BN earphones are available in in Red and Black colour variants.
