Tweaknews.net posted a review on the Zalman ZM-DS4F Dual Speaker Headset/Headphones
I can definitely say these headphones would be a fine upgrade from a pair of earbuds included with mp3 players. They are light, durable, and music sounds crisp and clear no matter how loud the volume is. The fold up design allows for portability and the $30 US price tag won't break the bank either.Zalman ZM-DS4F Dual Speaker Headset/Headphones Review