Description:
1) UHF wireless stereo headphone with 863MHz 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 function available for headphone
6) Active noise reduction system for crystal clear sound
7) Double PLL system for ultimate frequency stability

Specifications:
1) System: UHF/RF
2) Carrier frequency: 863.3; 863.9; 864.5MHz
3) Modulation: FM
4) Mode: stereo
5) S/N ratio: 75dB(minimum)
6) Channel separation: 50dB(minimum)
7) Distortion: 1%(maximum)
8) Frequency response: 30 - 20,000Hz
9) Power supply of transmitter: DC12V 150mA
10) Power supply of headphone: 2 x AAA

Accessories:
1) Audio Cable
2) "Y" Cable
3) Switching Adapter
4) Instruction Manual
5) Guarantee Letter