Sony MDR-XB70BT Extra Bass in-Ear Headphones with Bluetooth and NFC (Black)

The Bass Gets Bigger with MDR-XB70BT the new addition to Sony’s extra bass Lineup. Worn behind the neck, this Bluetooth wireless headset is perfectly balanced, so you hardly know it’s there. You can enjoy high-quality audio, and clear, natural-sounding voices on both ends of the call. Pair it with your smartphone instantly when you make a One-touch connection via NFC.

From the manufacturer

EXTRA BASS Sports Earphone with Bluetooth & One Touch Connectivity

EXTRA BASS sound brings extra-low-end punch to all your music. Connect easily to your favorite devices via Bluetooth with NFC and stream your favorite tracks.

Convenient Neckband Design: With Music / Calls Controls in the Band

The control buttons on neck band let you enjoy calls and music playback without touching your smartphone, just like a remote control.

Up to 9 Hours of Long Battery Life for Longer Listening Keep your tunes playing throughout the day. A built-in Li-ion battery delivers up to 9 hours of power and is rechargeable via USB.	Clear Hands Free Voice with Built in Mic and HD Voice Support Make or take calls on the go, stay in touch wherever you are with a built-in microphone for hands-free phone calls in high definition clarity.	Foldable, Around Neck Design with Additional Ear Buds Enjoy a foldable around neck design that makes it possible to comfortably wear the headphones without fear of tangled wires. They also fold up for easy travel and carry wherever you go. Enjoy a more precise fit and with your choice of 4 sizes of hybrid silicone earbuds.