1. Fold-flat design.
2. IR car headphone (single channel).
3. Built-in monitor function.
4. Personal volume control.
5. Mini jack for audio input like MP3 and iPod.
6. Auto mute when no audio signal received.
7. Auto power off function for saving battery life.
8. Compatible with all vehicle AV applications.
9. Comfortable wearing with adjustable headband.
1. S/N ratio: ≥60dB. 2. Speaker: 40mm mylar. 3. Power supply: requires 2 x AAA (1.5V) batteries.