Product Overview
The Sony WF-1000XM4 is a pair of true wireless in-ear headphones with active noise cancellation and a rechargeable charging case. This black configuration is identified by model WF1000XM4/B and UPC 027242921085. The earbuds connect to compatible devices using Bluetooth 5.2 and include built-in microphones for calls and noise-control functions.
Battery life is documented at up to approximately eight hours of playback under specified operating conditions, with additional charging available from the portable case. Touch controls provide access to playback and supported device functions. The earbuds use a fully wireless design without a cable connecting the left and right earpieces. This black configuration should be distinguished from other color variants and later Sony WF-series models.
Product Information
Identification
| Field | Value |
|---|---|
| Brand | Sony |
| Manufacturer | Sony |
| Category | True Wireless Earbuds |
| Series | WF-1000X |
| Model | WF-1000XM4 |
| Model Number | WF1000XM4/B |
| MPN | WF1000XM4/B |
| UPC | 027242921085 |
| EAN | 0027242921085 |
| GTIN | 00027242921085 |
Physical
| Field | Value |
|---|---|
| Color | Black |
| Form Factor | In-ear |
| Approximate Package Weight | 1.45 ounces |
Product Identifier Summary
The model and MPN identify the black WF-1000XM4 configuration. The UPC, EAN, and GTIN are standardized identifiers for the packaged earbuds.
Common Uses
The earbuds are commonly used for music, calls, podcasts, commuting, travel, and other wireless personal-audio applications.
Maintenance & Care
Clean the earbuds and ear tips regularly and keep the charging contacts free of debris. Store the earbuds in their case when not in use.
Safety Information
Extended listening at excessive volume can damage hearing. The earbuds and charging case contain rechargeable batteries that should not be punctured, crushed, or exposed to excessive heat.
Technical Specifications
| Specification | Value |
|---|---|
| Connection Type | Bluetooth |
| Bluetooth Version | 5.2 |
| Noise Cancellation | Active |
| Earbud Type | True wireless |
| Approximate Earbud Battery Life | Up to 8 hours |
| Microphone | Integrated |
| Controls | Touch |
Product History
The WF-1000XM4 succeeded Sony’s earlier WF-1000XM3 and became part of the company’s premium true-wireless noise-canceling headphone line.
Key Features
- True wireless design
- Active noise cancellation
- Bluetooth 5.2
- Rechargeable charging case
- Integrated microphones
- Touch controls
Package Contents
- Left and right Sony WF-1000XM4 earbuds
- Charging case
- Ear tips
- Charging cable
- Documentation
Compatibility
The earbuds connect to compatible Bluetooth audio devices. Available features can depend on the connected device, operating system, and Sony software support.
FAQs
Do the WF-1000XM4 earbuds have noise cancellation?
Yes. Active noise cancellation is included.
Are the earbuds completely wireless?
Yes. There is no cable connecting the left and right earbuds.
Buying Considerations
Users should verify model WF1000XM4/B when identifying the black configuration. Ear-tip fit can affect comfort, isolation, and audio performance.
Customer Feedback Summary
Recurring public feedback commonly highlights noise cancellation, sound quality, wireless convenience, and battery life. Fit, earbud size, and long-term battery behavior are commonly discussed considerations.
Related Products
Related products include other Sony WF-series earbuds, replacement ear tips, and compatible charging accessories.
Last Updated
September 5, 2026
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