In the US the World's Smallest MP3 Player is called MobiBlu DAH-1500i. In the rest of the world it is called JNC SSF-8000 or MobiBlu DAH-1500.
In the UK the Korean mp3 cube is also on the market now branded as Q-BE, which is actually a cool name for this tiny mp3 player.
UK's electronics chains Dixons and Currys are offering the Q-BE 1GB player for £109.99 ($196.24).
As far as I can judge from the limited published specifications of the Q-BE, it is the MobiBlu DAH-1500, which lacks the USB 2.0 and WMA DRM support, which the Wal-Mart exlcusive MobiBlu DAH-1500i has in the US. Wal-Mart sells the MobiBlu DAH-1500i for about $127.
I reviewed the JNC SFF-8002 (aka DAH-1500, aka Q-BE) a while back. More details on the Q-BE on this site.
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