Use
Dj, PROFESSIONAL, HEARING AID, HiFi Headphone, TV
Active Noise-Cancellation
Yes
Vocalism Principle
Dynamic
Signal-to-noise ration:
>65dB
Power supply
Lithium-Polymer battery(500mAh)
product name
Oem Best Hifi Dj 3 Channel Ce Certificated Silent Disco Headphones