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Sony® Black Wireless Bluetooth In-Ear Headphones

Model #: WIC400/B
At a Glance
Wireless Bluetooth® and NFC in-ear headphones with comfortable neckband, 20-hour battery and hands-free controls. Enjoy high-quality sound, from wireless headphones with colors that complement your personal style.
Available in Store Only
$79.99Save $NaN

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Get to know this product.

Sound and style that go with you

Enjoy high-quality sound from comfortable wireless headphones with colors that complement your personal style.


Stream effortlessly with One-touch listening over BLUETOOTH®. Simply tap your device on the NFC logo.

20-h battery life

Keep music going with up to 20 h of long-lasting battery.

Stream quality sound all day

Listen to your music in clear sound quality from 0.35-in drivers.

Pick your color

Select and wear the color that suits you best. Choose from black, red, blue or white.

Wear all day, keep on listening

The behind-the-neck design is shaped for comfortable, all-day listening.

Vibration notification

Your headphones sync with your smartphone. Get message alerts and receive incoming calls with vibration notification.

Tangle-free cable management

Keep your cable clipped neatly out of the way in your neckband with the adjuster and stopper.

Easy operation with buttons

Use the buttons to play, stop, or skip through tracks and adjust the volume. You can also push them to activate your smartphone's voice assistant features or make hands-free calls.

  • Easy BLUETOOTH® connectivity with One-touch NFC
  • Up to 20 hours' battery life
  • 0.35 in neodymium drivers for dynamic sound
  • Comfortable behind-the-neck style with cable management
  • Vibration for incoming call


WeightApprox. 1.23 oz (35 g)
Headphone TypeClosed Dynamic
Driver Unit0.35"
Frequency Response8–22,000 Hz
Volume ControlYes
Usage TimeMax. 20 hrs
Charge TimeApprox. 4.5 hrs
Wearing StyleBehind-The-Neck
What's In The BoxUSB cable: Micro-USB cable (approx. 19 3/4" / 50 cm); Earbuds: (SS/S/M/L)

Misc. Specs

Frequency Response8 – 22,000Hz
Sport HeadphoneNo
Wireless Range30 Feet
Color Finish NameBlack
Bluetooth CapableYes
Built-in MicrophoneYes
Headphone TypeIn-Ear
WarningProposition 65 Warning for California Residents