Frequency response: 20Hz-20KHz

 

Active noise attenuation: 100-1000Hz >10dB at 300HZ

 

Sensitivity: 102dB +/- 2dB at 1,000 Hz

 

Max. input power: 500mW

 

Driver unit: 40mm

 

Impedance:  40 Ohms at 1,000  KHz

 

Jack size: 3.5mm, 6.3mm and airplane jack

 

Cord length: 2.1m

 

Power supply: 2xAAA 1.5V batteries