Livescribe Echo 3-D Recording Premium Headset In-ear Binaural Wired Black mobile headset

Stereo, 20 - 20000Hz, 100 dB, 16 Ohms, Black Each ear bud has an embedded microphone to enable 360 (degree) binaural recording, great for large lecture halls or conference rooms.

Compatible with Echo™ smartpen only.

- Works with all Echo™ smartpens
- Binaural recording precisely captures everything you hear around you.
- High quality, anodized aluminum earbuds isolate external noise to deliver crisp, clear sound.
- Ideal for long-distance recording and playback in large lecture halls, conference rooms, or noisy environments.
- Includes three pairs of different rubber earpieces for an optimal fit.