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The ANKER Soundcore Liberty 4 NC True Wireless Earbuds (A3947H21) in White deliver premium sound, adaptive noise cancellation, and long-lasting battery life in a comfortable, ergonomic design. Featuring 11 mm dynamic drivers, LDAC and Hi-Res audio support, Adaptive ANC 2.0 (reduces up to ~98.5% of ambient noise), six-microphone AI call optimization, and multipoint device connectivity, these earbuds are ideal for immersive listening, calls, and everyday use. Fast charging provides ~4 hours of playback from a 10-minute charge, and the total runtime with the charging case reaches up to 50 hours.
| Model | A3947H21 |
| Driver | 11 mm dynamic driver |
| Bluetooth Version | 5.3 |
| Noise Cancellation | Adaptive ANC 2.0 (~98.5% noise reduction) |
| Playtime | Up to 10 hours (earbuds) / Up to 50 hours with charging case |
| Fast Charge | 10 minutes → ~4 hours playback |
| Water Resistance | IPX4 (splash and sweat resistant) |
| Call & Features | 6‑mic AI calls, LDAC + Hi-Res audio, multipoint connectivity, HearID 2.0 custom EQ |
| Warranty Terms: | 1-Year Warranty Provided by 101 Multimedia |
