Car IR Wireless Headphone

Features: 1) IR wireless stereo headphone (1 CH) for cars 2) Light weight design for comfortable wearing 3) Auto mute and auto power off function on headphone 4) Folding Design Specifications: 1) Single channel 2) Carrier frequency: a) Right channel: 2.8MHz b) Left channel: 2.3MHz 3) Speaker: 30mm mylar 4) Cone impedance: 32Ω±15% 5) Effective range (maximum): about 10 meters 6) Audio model: stereo 7) S/N ratio: ≥70dB 8) Channel separation: ≥40dB 9) Frequency response: 30 ~ 20,000Hz 10) Power supply: 2 x AAA battery