Hardware Secrets posted a review on the Cresyn CS-HP500 and C750E Headphones
Having an iPod is not enough in terms of enjoying a great music experience. You should get quality earphones that deliver a high fidelity sound. We got two models from Cresyn: the C750E earbud and the CS-HP500 bendable headphone. Both come with a leather carrying bag, and the C750E has two additional ear tips so it can fit better in any ear size. We tested them for several weeks while walking the city with our iPod Touch (tested here).Cresyn CS-HP500 and C750E Headphones Review