Description:
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: >50 meters (360 degree)
6) Input audio level: >150mV
7) S/N ratio: >60dB
8) Distortion: <2%THD
9) Frequency response: 30 ~ 20,000Hz
10)Inner packing: Dimensions: 22.8 x 26.5 x 9.7cm
11)Outer packing: 20pcs/ctn,Dimensions: 50.0 x 50.5 x 47.0cm

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