Noise Cancelling Airline Headphone

Airline Headphone Features (for JH-301B): 1) Active noise cancelling technology to enhance the power of noise filtering 2) Block the external noise to offer a superb listening experience 3) Foldable design, convenient for traveling users, especially for listening to car audio devices (portable DVD, GPS) 4) Driver unit: 40mm dynamic speaker 5) Impedance: 32Ω±10% 6) Frequency response: 20Hz-20kHz 7) Active cancellation: 20-1,000Hz 8) Sensitivity: 102dB at 300Hz 9) Max input power: 200mW 10) Cord length: 1.5m 11) Plug: 3.5mm stereo plug 12) Power requirement: DC 3V, 2 AAA batteries