Aluminum matte , stylish and compact design.
3.5mm AUX input and output.
Support 160-300ohm impedance, exquisite and portable, easy to carry, can output excellent sound without distortion.
High-quality audio, suitable for your mobile phone, MP3, MP4, laptop.
Noise reduction function, enhanced dynamic distortion, perfect pure stereo effect, high-definition voice and music sound quality optimization.

Product name:Headphone amplifier
Input/output port:3.5mm audio port
Distortion:0.004%
Signal to noise ratio: equal 120dB
Load impedance:160-300ohm
Frequency response:20Hz-20KHz (±3dB)
Colour:Black
Material:Plastic+Metal

Package Contents:
1 * Headphone Amplifier
2 * Cable