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Sony WI-C400

What's in the box

  • Micro-USB cable (approx. 19 3/4" / 50 cm)
  • Earbuds (SS/S/M/L)


average-at-best wireless in-ears with an easy-to-use control scheme and a long battery life. They're stable enough for sports use and have a decently comfortable fit, but they have a treble-heavy sound that may be a bit too piercing for some.
(Apr 2018)

undoubtedly comfortable and lightweight in terms of design. They offer great battery life for prolonged usage, but they have mediocre audio quality for critical listening. They do not block a lot of noise while commuting, but it’s battery life and durable design makes it a good headphone for commuters. Also, they are stable enough for running and other fitness activities as well.
Tech Radar
(Apr 2018)


No topics tagged #sony-wi-c400 (yet!)


Wear style
Fits in-ear
Suitable usage: Home
Plug type
Wireless connection
Microphone built in
Microphone built into earpiece
Battery powered
Battery powered
Battery life (hrs)
20.00 hours per charge
Battery replaceable
Non-replaceable battery
Weight (g)
Weighs 35g