wireless earphone

Detailed Product Description

Wireless earphone quelity

Features:
1) UHF wireless stereo headphone with 864MHz/915MHz ISM Band
2) Operation distance up to 30 meters with latest UHF/RF wireless technology
3) Several headphones can be used simultaneously with one transmitter
4) Built-in 15mm mylar speaker
5) Auto mute and auto tuning function available for headphone
6) Active noise reduction system for crystal clear sound
7) Double PLL system for ultimate frequency stability

2) Carrier frequency:
FOR EU: 863; 863.5;864;864.5MHZ
FOR US: 914, 914.5, 915 MHz
3) Modulation: FM
4) Mode: stereo
5) Transmit power: ≤10mW
6) S/N ratio: ≥75dB
7) Channel separation: >35dB
8) Distortion: <1%
9) Frequency response: 30 - 20,000Hz
10) Power supply of transmitter: DC12V 150mA
11) Power supply of headphone: 2 AAA batteries