Phillips HN110 Foldable Noise Cancelling Headphones

Phillips HN110 Foldable Noise Cancelling Headphones Perfect for travel! comes with a carrying pouch. over the ear, but very comfortable cushioning has smart noise reduction technology All the active electronics are integrated into the headphone so there is no extra box to carry around. Active noise attenuation: 50-1,500Hz, >10dB at 300Hz Noise canceling effect: ~10 dB at 300 Hz Acoustic system: Open Magnet type: Neodymium Voice coil: Copper Diaphragm: Mylar Dome Frequency response: 20 - 20 000 Hz Impedance: 25 Ohm (ON), 47 Ohm (OFF) Maximum power input: 500 mW Sensitivity: 102 dB Speaker diameter: 40 mm Cable length: 1.5 m