universal earphones with microphone crackle sports headset music strong bass JY-305 in-ear for iphone samsung mobile phone mp3 braided cable.

Length: 1.2m.

Sound: with strong bass.

Type: in-ear+crackle printing.

Packing: nice color box packing.

Colors: white， red， blue，green.

with microphone，universal for any mobile.

Speaker size: 10mm.

Frequency range: 20-2000Hz.

Sensitivity: 90±3 dB.

Impedance: 16Ω.

Plug: 3.5mm.