Here is another wearable MP3 player that comes in the form of a necklace. Featuring a diamond shape design, the player has a 4GB of memory storage, touch buttons, a USB 2.0 interface, a 3.5mm headset jack, a built-in rechargeable battery (up to 5 hours of music playback) and supports MP3, WMA and WAV audio formats.

The gadget costs less than $20 from lightinthebox.com.