YH-863A UHF Wireless Stereo Headphone with 864MHz ISM Band

1)UHF wireless stereo headphone with 864MHz ISM band
2)Operation distance up to 100 meters with latest UHF/RF wireless technology
3)Several headphones can be used simultaneously with one transmitter
4)Built-in 40mm mylar speaker
5)Auto mute and auto tuning functions
6)Active noise reduction system for crystal clear sound
7)Double PLL system for ultimate frequency stability
8)System: UHF/RF
9)Carrier frequency:
10)For Europe: 863.5, 864, 864.5MHz
11)Modulation: FM
12)Mode: stereo
13)S/N ratio: >70dB
14)Channel separation: >35dB
15)Distortion:

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