Tweeter + bass speaker, double acting coil, four speakers, tri-band balanced fever double-acting HIFI headphones
Quadruple Power Double High Resolution: Natural Equilibrium Cohesion, combined with the advantages of double-acting, through a variety of innovative technologies to change the sound reflection, absorption, amplification to make the sound more transparent, better resolution, the details More.
Ingenuity to create both internal and external: concise arc cavity design, piano paint process cavity, with a vacuum plated ring design to give low-key luxury temperament, internal rigorous, professional acoustic layout, bringing superior sound quality experience.
45 degree tilt In-ear design: According to ergonomic design, comfortable with the human ear contour, wear comfortable and natural, not easy to fall.
Different headphones: the style of closed headphones, the same headphones, not the same is the fashion, compact body equipped with dual-unit speakers, so as to achieve clearer sound quality, make you hear more enjoyable.

speaker diameter: 9mm
Speaker impedance: 32 ohm
The maximum boost level: 110dB +/- 3dB
rated power: 10mW
degree of distortion: Less than equal 3%
Left and right balance: +/- 3dB at 1KHz
Color: Gold
Material: PC+ABS

packing list:
2 * HIFI headphones