ertg IR Infrared Wired Headset

Note: when using the device as a wired headset, the volume knob on the headset cannot be used, and you can only adjust the volume on your audio device. Specification: Channel:Dual Mode:Stereo Bus Frequency: a) Channel:2.8MHz for right channel; 2.3MHz for left channel b) Channel B:3.8MHz for right channel; 3.2MHz for left channel Operating distance: up to 12 meters. Frequency Response:60Hz-6000Hz Sensitivity: -88dBm±3dB Impedance:32ΠS/N Ratio: ≥50dB Channel separation: >35dB Distortion: <1% Power Supply:2 * AAA batteries (not included) Main Item Size:17.6*15.3*6.4cm / 6.92*6.02*2.51inch Main Product Weight: -123 g Package Size:19.9 * 15.4 * 4.2cm / 7.83 * 6.06 * 1.65in Package Weight:180g / 6.36oz Package List: 1 * Infrared Wireless Stereo Headset 1 x English User Manual