The Walkman Blog: Sony to introduce new Wireless Stereo Headset (WI-C400) (Update)
WI-C400 | Help Guide | Resetting the headset
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WI-C400 | Help Guide | Controlling the audio device (BLUETOOTH connection)
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How to Pair Sony WI C400, Bluetooth Pairing Problem with Sony headphone - YouTube
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Sony WI-C400 Wireless: Main Discussion
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