Specification:
Brand Name: IVERY
Model Number: IV-1
Type: In-ear
Microphone: Yes
Frequency Response: 20Hz-20KHZ
Driver Diameter: 10mm
Cable Length: 1.2m
Plug: 3.5mm metal plated 
Impedance: 16Ω
Sensitivity: 108dB±2dB

Color: Green

Package Included:
1 X IVERY Earphone
1 X Earmuffs

More Details:
IVERY IV-1 Universal In-ear Ceramic Shell Earphone Headset With Mic
IVERY IV-1 Universal In-ear Ceramic Shell Earphone Headset With Mic
IVERY IV-1 Universal In-ear Ceramic Shell Earphone Headset With Mic
IVERY IV-1 Universal In-ear Ceramic Shell Earphone Headset With Mic