| Diameter of speaker | 9.2mm |
| Impedance | 16ohm |
| Sensitivity | 92db |
| Frequency response | 20Hz to 20KHz |
| Max Input Power | 8mW |
2017 small earwith Handfree Call,best sports head/b>
model no:E157
Features:
　* Brand New and creative&active design concept ;Hi-Fi stereo sound
　* Easy to handle,Amazing decor effects & exciting user experience;
　* Great gifts for Christmas, birthday and Valentine's Day, Anniversaries……
　* Affordable High quality, no ironmentally friendly;
* We are welcomed OEM,serving for your customized products and package,etc.
Specifications:
9.2mm dynamic drivers
Impedance 16ohm
Sensitivity: 92db
Frequency response: 20Hz to 20KHz
Max Input Power: 8mW
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