Sony Digital Cordless Headphones

Sony MDR-RF4000K digital cordless headphones - Sony today released the new MDR-RF4000K digital cordless headphones. Designed to be used with your TV and home entertainment equipment, these headphones are designed to fit in perfectly with today’s living rooms, thanks to a unique new storage and charging dock that cuts unsightly wires.
The Sony MDR-RF4000K headphones come with a NiMH battery that provides up to 7 hours of listening time. Alternatively, you can slip in a single AAA Alkaline battery which will increase the usage time up to ten hours. The Sony MDR-RF4000K headphones will go on sale in April 2010. No info on pricing so far. [Press Release]
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