VHF Wireless Headphone (GH-757)

Model No.: YH-757
Features:
1) 3 channels selectable for transmitter
2) Auto power on/off for transmitter
3) VHF/RF wireless headphone
4) The headphone can be used as a hi-fi stereo wired headphone
5) Talk on internet with wireless headphone
6) Talk on internet with wired stereo headphone 7) Dynamic display of audio level for transmitter
Specifications:
1) System: VHF/RF
2) Modulation: frequency modulation (FM)
3) Audio mode: mono
4) Transmit power: 10mW
5) Operation distance: up to;50 meters (360?
6) Input audio level: 150mV
7) S/N ratio: 60dB
8) Distortion: 2%THD
9) Frequency response: 30 ~ 20,000Hz Inner packing: Dimensions: 22.8 x 26.5 x 9.7cm Outer packing: 20pcs/ctn Carton dimensions: 50.0 x 50.5 x 47.0cm