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Here's a novel idea: an MP3 player with wireless headphones that can switch you from listening to your tunes to a phone mode to answer cellphone calls via a bluetooth link—all using a digital audio System on Chip (SoC) solution from SigmaTel. The FunTwist C-Chord800 supports MP3, WMA and WAV formats as well as EQ modes, ID3 tag display, synchronous lyrics for Karaoke.

The product is flash-based and comes in 256MB, 512MB and 1GB models. No pricing.

FunTwist Bluetooth MP3 Player [Biosmagazine]