zipper earphone universal headset made by metallic housing strong bass with microphone in multi colors use for any smartphones iphone.

Length: 1.2m.

Sound: with strong bass.

Type: in-ear， zipper model， metallic housing.

Packing: each one by opp bag.

Colors: black， sliver， green， blue， orange， yellow， blue， red， pink.

with microphone，universal for any mobile.

Speaker size: 10mm.

Frequency range: 20-2000Hz.

Sensitivity: 90±3 dB.

Impedance: 16Ω.

Plug: 3.5mm.