| Form Factor | In-ear |
| Recommended Use | Portable audio system |
- Digital noise canceling technology
- Intelligent auto-selection
- High-quality sound
- Passive listening
- Ergonomic design
- Precise noise canceling
- Convenient operation
Small enough to fit in your pocket, the supremely portable MDR-NC100D digital noise canceling headphones combine powerful technology with a comfortable earbud design to produce incredible noise reduction with pristine audio. Sony-exclusive digital signal processing technology reduces up to 98.2% of ambient airplane, train, or office noise. Large 13.5 mm drivers work with digital sound enhancer circuitry to deliver wider frequency response and broad dynamic range while built-in Artificial Intelligence (AI) technology automatically adjusts to your surroundings to offer the optimal level of noise canceling customized to the environment and sound conditions.