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🎧 Elevate your focus, sound, and style — because silence and clarity are the new power moves.
The soundcore by Anker Liberty 4 NC earbuds deliver industry-leading 98.5% adaptive noise cancellation, powered by advanced sensors and oversized 11mm drivers for Hi-Res audio. With an impressive 50-hour battery life and wireless charging, these earbuds are engineered for professionals seeking premium sound clarity, personalized audio profiles, and reliable Bluetooth 5.3 connectivity — all wrapped in a comfortable, durable design ideal for work, travel, and daily life.
| ASIN | B0BZV8HLX3 |
| Additional Features | Fast Charging |
| Age Range Description | Adult |
| Antenna Location | Calling |
| Audio Driver Size | 11 Millimeters |
| Audio Driver Type | Dynamic Driver |
| Battery Average Life | 50 Hours |
| Battery Charge Time | 2 Hours |
| Best Sellers Rank | #44 in Electronics ( See Top 100 in Electronics ) #8 in In-Ear Headphones |
| Bluetooth Range | 10 Meters |
| Bluetooth Version | 5.5 |
| Brand | soundcore |
| Built-In Media | Cable |
| Cable Features | Without Cable |
| Carrying Case Battery Average Life | 50 Hours |
| Carrying Case Battery Capacity | 800 Milliamp Hours |
| Carrying Case Battery Charging Time | 2 Hours |
| Carrying Case Color | White |
| Carrying Case Height | 30.5 Millimeters |
| Carrying Case Length | 57.2 Millimeters |
| Carrying Case Material | Plastic |
| Carrying Case Weight | 15 Grams |
| Carrying Case Width | 57 Millimeters |
| Color | White |
| Compatible Devices | Cell Phones, Tablets, Laptops |
| Connectivity Technology | Wireless |
| Control Method | Remote |
| Control Type | Media Control |
| Controller Type | Touch |
| Country of Origin | China |
| Customer Reviews | 4.2 4.2 out of 5 stars (25,647) |
| Earpiece Shape | Bud |
| Enclosure Material | Plastic |
| External Testing Certification | / |
| Frequency Range | [Assumed] 20Hz - 20,000Hz |
| Frequency Response | 20 KHz |
| Headphone Folding Features | In Ear |
| Headphone Jack | 3.5 mm Jack |
| Headphones Ear Placement | In Ear |
| Impedance | 10 Ohms |
| Importer Contact Information | VALUECART PRIVATE LIMITED |
| Is Autographed | No |
| Is Electric | No |
| Item Weight | 0.1 Pounds |
| Manufacturer | Anker |
| Model Name | Liberty 4 NC |
| Model Number | A3947 |
| Noise Control | Adaptive Noise Cancellation |
| Number of Items | 1 |
| Number of Power Levels | 15 |
| Sensitivity | 90 dB |
| Series Number | 3947 |
| Specific Uses For Product | Travel,Music,Calling |
| Style Name | Modern |
| Subject Character | no subject character |
| Theme | No Theme |
| UPC | 194644132309 194644132118 |
| Unit Count | 1 Count |
| Warranty Description | 1 Year Manufacturer |
| Water Resistance Level | Water Resistant |
| Wireless Technology | Bluetooth |
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