J-CELL Universal Earphone Hand-free with microphone

Performance Parameters 

Speaker Diameter: 10mm

Frequency range: 18-20000Hz,

Sensitity 116+_3db (at 1KHZ, 0.5rms)

Impedance: 32 ohms

The Wire length 130cm

Product features:

Applicable to the 3.5 foot interface of intelligent mobile the stereo output dynamic combination, The built-in mic handfree.

Warranty not available