Sony WIC400/B wireless in-ear neck band headphones (black)

Convenient listening on the go These Bluetooth? in-ear headphones from Sony use a neckband design to give you a little extra stability when you're listening on the go. They've got 9" cables running from the neckband to each earbud, with an ingenious rubber stopper design that lets you adjust the amount of slack. The built-in rechargeable battery delivers up to 20 hours of wireless listening on a full charge.