Sony WI-C100 Wireless In-Ear Headphones (Blue)

BH #SOWIC100L • MFR #WIC100/L
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Sony WI-C100 Wireless In-Ear Headphones (Blue)
Key Features
  • 9mm Drivers for Balanced Audio
  • DSEE Helps Optimize Compressed Audio
  • Flexible & Convenient Neckband Wire
  • Built-In Mic for Hands-Free Calls
Combining various essential portable audio technologies together, the Sony WI-C100 Wireless In-Ear Headphones work to provide you with all-day optimized sound, communication, and convenience. Starting with 9mm drivers that are tuned for balanced audio to fit any genre, Sony also adds Digital Sound Enhancement Engine (DSEE) technology to compensate for lost highs in compressed audio. An integrated mic and 1-button Siri access lets you talk hands-free, get directions, and more while leaving your phone in your pocket. The flexible neckband wire and splash-proof design is extremely convenient, allowing you to use the WI-C100 at work or the gym, and securely drape them around your neck when you're done listening.
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Sony WI-C100 Overview

Combining various essential portable audio technologies together, the Sony WI-C100 Wireless In-Ear Headphones work to provide you with all-day optimized sound, communication, and convenience. Starting with 9mm drivers that are tuned for balanced audio to fit any genre, Sony also adds Digital Sound Enhancement Engine (DSEE) technology to compensate for lost highs in compressed audio. An integrated mic and 1-button Siri access lets you talk hands-free, get directions, and more while leaving your phone in your pocket. The flexible neckband wire and splash-proof design is extremely convenient, allowing you to use the WI-C100 at work or the gym, and securely drape them around your neck when you're done listening.

All-Day Battery with Quick Charge
On a full charge, the C100 wireless headphones can last for up to 25 hours. If you ever forget to recharge the headphones and happen to have 10 minutes to spare, a quick 10-minute charge will give you up to 1 full hour of playback.
Fast & Swift Pairing
It's important for wireless headphones to quickly pair with your devices to give you a seamless and enjoyable experience. This is why Sony incorporates both Google Fast Pair and Microsoft Swift Pair technologies. With a compatible mobile Android device, Fast Pair will trigger a pop-up when the headphones are on and nearby, letting you pair in seconds with just a tap.

A similar experience is possible on Windows 10 and 11 PCs with Microsoft Swift Pair, where you'll get pop-up guidance to make pairing effortless. An additional feature of Google Fair Pair is the ability to ping the headphones if misplaced, or view their last known location on your smartphone.

Additional Features
  • Ergonomic design to match the contours of your ear for added comfort
  • Select EQ presets or make your own with the Sony Headphones app
  • Integrated playback buttons for play, pause, skip tracks, and volume
  • Pronounced buttons that are easier to press and locate by touch
  • Support for Sony's 360 Reality Audio that is meant to give a personal and immersive audio experience
  • Dolby Atmos compatible when paired with a Sony BRAVIA XR TV and optional WLA-NS7 wireless transmitter
  • Works with Sony 360 Spatial Sound Personalizer app for a personal spatial sound field when used with Sony BRAVIA XR TVs
  • Eco-friendly packaging that's composed of less than 5% plastic
UPC: 027242923652

Sony WI-C100 Specs

Key Specs
Wearing Style
Dual Ear with Neckband
Earpiece Design
In-Ear (Intra-Aural)
Active Noise Cancellation
No
Frequency Response
20 Hz to 20 kHz (Wireless)
Built-In Controls
Yes (on Cable)
Noise Cancelling Microphone
No
Runtime
25 Hours (BT)
Headphone
Wearing Style
Dual Ear with Neckband
Earpiece Design
In-Ear (Intra-Aural)
Open/Closed-Back
Closed-Back
Sound Field
Stereo
Number of Drivers
1 per Earpiece
Driver Type
Dynamic
Driver Size
0.4" / 9 mm
Active Noise Cancellation
No
Frequency Response
20 Hz to 20 kHz (Wireless)
Built-In Controls
Yes (on Cable)
Microphone
Built-In Mic
Yes (on Cable)
Noise Cancelling
No
Connectivity
Wireless
Bluetooth
Wired Audio Connector
Not Specified by Manufacturer
Audio Connector to Earpiece
Not Specified by Manufacturer
Battery
Runtime
25 Hours (BT)
Quick Charging Times
10 Minutes for 1 Hour
Charging Case
Charging Input
USB-C
Wireless Charging
No
Physical
Color
Blue
Environmental Resistance
Water-Resistant (IPX4)
Packaging Info
Package Weight
0.12 lb
Box Dimensions (LxWxH)
5.2 x 2.7 x 0.8"

Sony WI-C100 Reviews

I like these enough that I bought another pair after losing my first

By Ian
Rated 5 out of 5
Date: 2026-07-28

I like these headphones enough that I bought the same ones after losing my first pair. The plastic bits on either side were kind of weird at first, but it didn't take long to get used to them. I'm not sure how much of a difference they make. They are very light but I guess they weigh the band down a bit and keep it in place in normal use, and it leaves the controls conveniently accessible (although they are on the left side, so if you are right-handed you probably want to reverse the left and right buds. Which seems arbitrary anyway and has no effect on music). I probably wouldn't use these for running; they will likely fly all over the place. I can't stand to have my music interrupted by a voice telling me the battery on my headphones is low. When I first got these I was hoping that when the battery got low I could charge them from my phone while still listening to them, but it doesn't seem like anything like that actually exists for corded earbuds. The battery life on these headphones is good enough that it's almost never come up.

Plastic on buttons is defective. Sony won't repair

By nungas
Rated 1 out of 5
Date: 2026-05-28

I bought this because I had loved the specs. The plastic covering the buttons disintegrates, made of poor quality. Sony won't do a warranty claim, cause they say is accidental damage. Purchase knowing this issue. I won't buy this product or maybe another Sony product again.

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