Specification:
1). Frequency response: 20Hz-20KHz
2). Active noise attenuation: 100-1000Hz >10dB at 300Hz
3). Sensitivity: 102dB +/- 2 dB at 1, 000 Hz
4). Max. Input power: 500mW
5). Driver unit: 40mm

6). Impedance: 40 Ohms at 1, 000 KHz
7). Jack size: 3.5mm, 6.3mm and airplane jack
8). Cord length: 2.1m
9). Power supply: 2xAAA 1.5V batteries

This noise cancelling head-phone employs an electronic circuit that reduces ambient noise and improves audio reproduction quality improves audio reproduction quality for high quality, disturbance-free music no matter how noisy the environment. It is foldable and COM-pact design makes it ideal for the consumer to use it on the airplanes train and bus etc. When traveling.
Package:

Inner packing: Color box Color box size: 26.5x22.0x8.5cm QTY/Carton: 20 units/carton Carton size: 55*46*45cm N. W/CTN: 10kg G. W. /CTN: 11.5 kg