Each ear bud has an embedded microphone to enable 360 (degree) binaural recording, great for large lecture halls or conference rooms. Compatible with Echo and Sky smartpens
- Works with all Echo and Sky 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.
- Standard 3.5mm stereo plug with five conductors compatible with MANY devices, not including the (now very old!) Pulse smartpen.
- Black anodized aluminum housings
- Impedance: 16 ohms
- SPL: 100 +/- 3dB @ 1kHz / 1 mW
- Frequency response: 20Hz to 20kHz
