Infrared Stereo Wireless Headphones 2pcs

1) Infrared wireless stereo headphone (2 CH) for cars2) Ergonomic design for comfortable wearing3) Auto mute and auto power off function on headphone4) Folding Design1) Dual channel2) Carrier frequency:a) A channel: 2.8MHz for right channel; 2.3MHz for left channelb) B channel: 3.8MHz for right channel; 3.2MHz for left channel3) Speaker: 40mm mylar4) Cone impedance: 32Ω±15%5) Effective range (maximum): about 10 meters6) Power source: 2 x AAA batteries7) Battery life: about 48 hours8) S/N ratio: ≥70dB9) Channel separation: ≥40dB10) Frequency response: 30 ~ 20,000Hz11) Audio model: stereoPlease make sure your device having IR transmitting function before buying.2 * folding IR wireless headphones (batteries and audio cable is not included )