*Compatibility: Silent disco, DJ, TV,DVD, DC,computer, PSD, MP3,CELLPHONE
*Characteristics: UHF/RF headphones
*Channel separation:
>45dB
*Frequency band(Hz): 20 - 18 000 Hz
*Power-Supply:
*Headphone: Rechargeable 600mAh lithium battery ;
*Transmitter: 220V DC 12V 150mA 50 Hz
*S/N ratio: >80dB