Designed to fit snugly with the rest of your credit cards, this MP3 player from Walletex is the slimmest and most durable in the world. The Credit Card MP3 Player will allow you to listen to your music anywhere, anytime. Voted the world's most robust by popular mechanics magazine, it is made out of double laminated plastic, so is water-proof, sand-proof, high-temperature tolerant, light-weight and its body is unbreakable*.

* in reasonable usage