There are plenty of fancy wireless headphones available on the market already. Planning to stick with your current wired headphones? PLUB is a smart kit that turns your wired headphones wireless. It works with any headset that receives audio through a 3.5mm cable. PLUB is compact and portable. It has a minimalist design and up to 5 hours of battery life.
Its beautiful neckband allows you to wear the receiver and take it with you everywhere you go. This project is on Kickstarter right now. Expected to ship in September.