Headset Earphone for iPhone4/iPhone 4S

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Basic Info

Place of Origin:	Shenzhen, Guangdong
Payment Type:	T/T, Western Union, Money Gram

Product Description

Headset earphone for iphone4/iphone 4S
Festures:
15mm Neodymium Magnet Speaker 32Ω
Magnet: NdFeB
Acoustic Characteristics
Frequency Response: 20Hz~20kHz
Impedance: 32± 15%Ω At 1kHz
Sensitivity (1mW): 127± 3dB At 1mW at 1kHz with IEC-318 coupler
Rated Input Power: 2mW (0.25V) Rated noise operating continuously for 96 hrs
Maximum Input Power: 4mW Simulate signal for 1min on & 2min off, for 10 cycles
Buzzes & Rattles: Abnormal noise should not be audible at 0.25Vrms from100Hz to 3kHz sweep signal
Operating Temperature: -10º C ~ +50º C
Storage Temperature: -20º C ~ +60º C
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