Sony MDR-RF810RK (1 articles)
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Sony announces RF4000K, RF810RK headphones
Complete with sexy charging cradle 15 March 2010 12:45 GMT TweetSony has dropped us word of two pairs of wireless headphones that it'll be releasing in April. There's the MDR-RF4000K, and the MDR-RF810RK, but for some reason the company seems far more excited about the RF4000K, so let's look at those first.
The...