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- A voice pickup unit is a vital part of an earbud that has a bone sensor.
- The bone sensor uses the conduction method to detect the movement of your jawbone as you speak.
- The skull vibrations created by speaking are intelligently translated into sound allowing high-quality hands-free phone calls and voice commands.
- This gives clarity even when calling from a noisy place.
Also read: What is an optical sensor and how does it work in earbuds?