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Tech - Wireless Headphone

This product guide was written by NTechGalaxy Staff

Last Updated Oct 20, 2025

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What is the use of Wireless In-Ear Headphones?

Wireless in-ear headphones are small earbuds that fit directly into your ears and connect to devices like smartphones, tablets, or laptops without any cables, usually via Bluetooth.

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Unlike over-ear headphones, they are compact, lightweight, and portable, making them convenient for daily use.

Uses of Wireless In-Ear Headphone:

  1. Listening to Music & Podcasts: Enjoy high-quality audio without being tangled in wires.

  2. Hands-Free Calls: Built-in microphone allows you to take calls anywhere.

  3. Exercise & Workouts: Lightweight and often sweat-resistant, perfect for running, gym, or cycling.

  4. Travel & Commuting: Compact and portable, ideal for buses, trains, planes, or walking.

  5. Work & Study: Useful for online meetings, virtual classes, or focusing in noisy environments.

  6. Gaming & Videos: Filmmakers and journalists use it for interviews and live reporting.​

 

In short:
The use of a wireless microphone is to capture clear audio while allowing the speaker or             performer to move freely without cables.

Sony WI-C100 Wireless Headphones

The Sony WI-C100 are very good value wireless in-ear headphones that offer strong battery life, decent sound (with sound-enhancement features), comfortable everyday design, and reputable brand backing. For casual to moderately active use (commuting, light workouts, listening to music & podcasts) they hit a lot of the right boxes, especially at their price point.

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​Key Features:

  1. 9 mm dynamic driver (neodymium magnet) — delivers a reasonably wide frequency response of 20 Hz to 20,000 Hz (when in Bluetooth mode). 

  2. Bluetooth version 5.0 for the wireless connection, supporting profiles such as A2DP, AVRCP, HFP and HSP.

  3. Supports audio codecs SBC and AAC. 

  4. Battery / playback time: Up to ~25 hours of music playback on a full charge. Sony India+1

  5. Quick charge: 10 minutes of charging gives ~60 minutes of playback. 

  6. Water/sweat resistance: IPX4 rating ensures resistance to splashes and light sweat — suitable for light workouts. 

  7. Sound enhancement features: Includes Sony’s “DSEE” (Digital Sound Enhancement Engine) which restores high-frequency elements lost in compressed audio.

  8. Customizable sound via app: Compatible with the Sony | Sound Connect (or Headphones Connect) app—enabling custom EQ presets, and support for immersive formats like 360 Reality Audio. 

  9. Comfort & portability: Lightweight (approx. 20 g) with an in-ear neck-band design that drapes around your neck, making it convenient to wear for extended periods.

  10. Easy operation & voice assistant support: On-band controls for play/pause, skip, volume, plus button to trigger your phone’s voice assistant (Google Assistant or Siri). 

  11. Fast/Swift Pair support: Supports Google Fast Pair (for Android devices) and Swift Pair (for Windows 10/11 PCs) for simpler Bluetooth pairing.

Specification:

Brand: Sony

Model Name: WI-C100

Warranty: 1 Year

Item Type Name: Wireless Headphones

Item Height: 6.3 Inches

Frequency Response: 20000 Hz

Frequency Range: 20Hz - 20kHz

Network Connectivity Technology: Bluetooth

Bluetooth Range: 10 Metres

Bluetooth Version: 5.2

Power Source: Battery Powered

Battery Charge Time: 3 Hours

Battery Average Life: 25 Hours

Weight: 20 Grams

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Pros:

Cons:

  1. Strong battery life: Up to 25 hours of playback on a full charge.

  2. Quick-charge support: A 10-minute charge provides ~60 minutes of playback.

  3. Brand reliability and value: Coming from Sony, offers good build & trusted after-sales in many markets; positioned as an affordable wireless neckband.

  4. Comfortable & light wear: Weighs about ~20 g, and neck-band/ear-buds design suits extended wear.

  5. Useful features for the price: IPX4 water/sweat resistance (good for light workouts / outdoor use) DIGITAL TERMINAL+1, App support (custom EQ/presets).

  6. Good connectivity: Bluetooth 5.0 version, supports SBC & AAC codecs — decent compatibility.

  1. No Active Noise Cancellation (ANC): This is often expected in newer wireless models, especially from competitors.

  2. Limited codec support: Only supports SBC & AAC; missing higher‐end codecs like aptX, LDAC which could matter for audiophiles.

  3. Fit/physical design quirks: No magnetic earbuds to stick together around neck when not in use.

Who it’s best for

Best for:

  • Users looking for a budget/affordable wireless neckband from a trusted brand.

  • Everyday listeners who want long battery life, comfortable wear, and solid sound without needing ultra-premium features.

  • People commuting, listening to podcasts/music, or using in moderate settings (not extremely noisy).

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