Sony has released a new egg shaped MP3 player called Rolly. It has built in robotic technology and has six moving parts. Rolly features 180-degree, horizontally opposed stereo speakers. Sound reverberates from the surface the device is placed on, whether on a desk or on the floor. Other features are 1Gb flash memory, Bluetooth, ATRAC and MP3 music format, USB support and more. Rolly is now out in the US for $400. Check out the demo video after the jump.