Sony WI-XB400 EXTRA BASS(tm)
The WI-XB400 neckbands earbuds play music wirelessly from your phone and deliver deep bass. Neckband earbuds for the bass heads: The Sony WI-XB400 earbuds bring together two the company customer favorites - the handy neckband design and big bass. Sony's EXTRA BASS series is a popular choice for those who enjoy bold, powerful low-end. With this model, a soft, flexible neckband rests comfortably on your shoulders, while music plays wirelessly from your phone via Bluetooth. This allows your head to move around more freely.