QKZ KD4 In ear Four unit Headphones Sports Music Headphones Microphone Version Red

1 Quad core HD resolution The two 8mm moving coil units of the horizontal structure strong quad core HD resolution present CD quality sound 2 Ergonomic design comfortable to wear all day Use the huge human ear model data to design the earphone shape to you a comfortable experience 3 New acoustic tuning Powerful to restore the rhythm of the world the iconic QKZ tuning style true to restore all kinds of rhythm 4 Easy to operate easy to master High definition condenser microphone compatible with 99 of mainstream mobile phone HD calls