Features
The new cx400 headphone is similiar to the cx300 from the appearance.
1.Frequency range :17Hz~21,000Hz
2.Impedance: 16Ω
3.Sensitive113DB at 1KHz
4.Plug: 3.5MM stereo
5.Cable length: 110 CM
6.N.W.:9g
7.Accessories: an extention line +S/M/L silicone caps
Suitable for all MP3/MP4 players