1. Infrared wireless stereo headphone (dual channel) for car audio.
2. Built-in monitor function.
3. Auto mute and auto power off function.
4. Can be used as a wired headphone.
5. Comfortable wearing with adjustable headband.
1. S/N ratio: ≥60dB. 2. Speaker: 40mm mylar. 3. Power supply: requires 2 x AAA (1.5V) batteries.