Acoustibuds Silicone Adapters transform earbuds to in-ear

If you don’t feel comfortable with your earbuds that comes with your favorite mp3 player, and have to buy a new in-ear earphones. This Acoustibuds may be your cheaper solution, just $12.99, you can improve your earbuds comfort, improve bass and sound quality.

It wins the CES 2009 Innovations Award, and supports iPod, Zune, Sansa, Sony, Creative and many more.

Source: Amazon

Opera Wireless Earbuds

Opera S1

This wireless over-the-ear style earbuds comes with iPod adapter, offers us CD-quality audio and 10 hours of play time and can share the same audio stream with 4 pair of earbuds

Opera will be released initially in Korea and Japan on May 1, 2008 and distributed worldwide in June, 2008, for $98 per kit.

Source: Kleer, DigiFi