IR Infrared Wireless Car Headphones Stereo Headset Wired Earphones Dual Channel for In-car DVD Player

Features:
* Suitable for Car Video & Audio Devices, such as headrest DVD players.
* Ultralight design for long time comfortable wearing, perfect enjoyment.
* IR dual-channel wireless headphone function. Operating distance is up to 10 meters.
* Automatically mute and auto power off if no signal is received about 5 minutes.
* Built-in 40mm mylar speaker for audiophile grade sound quality.
* Works with smart phones, tablet PC, MP3 devices via a 3.5mm audio cable (not included).

Note: When use the device as wired headphone, volume knob on the headphone cannot be used, and you can only adjust volume on your audio device.

Specifications:
Channel: Dual
Mode: Stereo
Carrier Frequency:
a) A channel: 2.8MHz for right channel; 2.3MHz for left channel
b) B channel: 3.8MHz for right channel; 3.2MHz for left channel
Operating Distance: up to 12 meters
Frequency Response: 60Hz-6000Hz
Sensitivity: -88dBm±3dB
Impedance: 32Ω
S/N Ratio: ≥50dB
Channel separation: >35dB
Distortion: