Sony WI-C100 Wireless In-Ear Bluetooth Headphones, White

Wireless White: Sony WI-C100 headphones are Bluetooth in-ear headphones with a built-in microphone, flexible neckband, and listed battery life of up to 25 hours. Their IPX4 rating is described as splash-proof and sweat-proof, while the listing says noise control is none, so they suit buyers who want a simple neckband design rather than noise cancellation.

At a glance

Flexible neckband can be folded for easier carrying, according to the listing.
Button controls are described for playback, volume, track skipping and calls.
Sony claims DSEE restores high-frequency sounds lost during compression.
Fast Pair is listed for Android devices.

Price

$28.00Save 44%

Reference price: ~~$49.99~~

Price checked: Nov 13, 2026

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Pros and cons

Pros

The neckband style keeps the earbuds connected when not being worn, rather than relying on a separate earbud case.
A built-in microphone and call controls support hands-free calls.
The manufacturer states up to 25 hours of battery life, and customer feedback specifically praises battery life.
The stated IPX4 rating is positioned for splashes and sweat during everyday use.

Cons

The listing says noise control is none, so these are not presented as noise-cancelling headphones.
The neckband and attached earbuds are a different format from fully separate true-wireless earbuds.

Technical specifications

18 specifications

Identity
Brand	Sony
Model	WIC100/W

Connectivity and controls
Wireless connection listed	Bluetooth
Control methods listed	Push Button
Bluetooth version	5
Bluetooth range	10 meters
Compatible devices	Cellphones, Tablets, Laptops, and Smart Speakers

Audio and use
Form factor	In Ear
Driver type	Dynamic Driver
Frequency range	20 Hz - 20,000 Hz
Microphone	Microphone Included

Dimensions and installation
Dimensions listed	7.01 x 1.91 x 16 cm; 19.84 g
Weight listed	20 g

Materials and protection
Water resistance listed	Water Resistant
Claimed rating	Splash-proof and sweat-proof with an IPX4 rating

Battery and features
Battery life claim	Long battery life of up to 25 hours
Sound processing	DSEE restores high frequency sounds lost in compression
App support	Fine-tune your sound using the Sony \| Headphones Connect app

What to know before buying

The listing gives up to 25 hours of battery life and calls the product splash-proof and sweat-proof with an IPX4 rating. Actual runtime and protection depend on use, and the source does not provide test conditions or further operating limits.

Who is it for?

A good fit for

Listeners who prefer connected in-ear earbuds with a flexible neckband and physical buttons.
People who want a built-in mic for hands-free calling and use devices that support Bluetooth.
Buyers who value a long stated battery-life claim and some resistance to splashes and sweat.

Less suited to

Anyone seeking active noise cancellation or a listing-confirmed noise-isolating feature.
Buyers who specifically want a fully wireless earbud-and-charging-case format.

Sony WI-C100 Wireless In-Ear Bluetooth Headphones, White · photo 2 — Additional product photo 2

Customer reviews on Amazon

4 / 5 · 15,212 ratings

5 stars59%59%
4 stars15%15%
3 stars10%10%
2 stars5%5%
1 star11%11%

Customer feedback highlights perceived quality and battery life as strengths, while experiences are mixed on value, size, reliability, durability, connectivity and noise cancellation. The battery praise aligns with the listing’s up-to-25-hour claim, but that claim is not a guarantee of runtime. Since the product is listed with no noise control, buyers seeking noise cancellation should treat that mixed feedback as a reminder to choose a different feature set.

Positive themes

Customer feedback describes quality as decent to excellent.
Battery life receives positive feedback, including descriptions of it as outstanding or amazing.