Features:

• UHF wireless stereo headphone with 864MHz/915MHz ISM Band
• Operation distance up to 100 meters with latest UHF/RF wireless technology
• Several headphones can be used simultaneously with one transmitter
• Built-in 40mm mylar speaker
• Auto mute and auto tuning function available for headphone
• Active noise reduction system for crystal clear sound
• Double PLL system for ultimate frequency stability

Specifications:

• System: UHF/RF
• Carrier frequency a) For Europe: 863.5, 864, 864.5MHz b) For US: 914, 914.5, 915 MHz
• Modulation: FM
• Mode: stereo
• Transmit power: ≤10mW
• S/N ratio: ≥75dB
• Channel separation: >35dB
• Distortion: <1%
• Frequency response: 30 - 20,000Hz
• Power supply of transmitter: DC12V 150mA
• Power supply of headphone: 2 AAA batteries