Mobile phone earphone P4K500 Plug size could be usedas per your requirements MIC.sensitivity:-40dB Nominal impedance: 32Ω Frequency response: 20Hz-20KHz Total harmonic distortion: <1% Sound pressure level: 96dB(SPL) tested in half-open environment Rated input: 8mW Maximum input: 20mW Add: All our products have good markets in many countries with their good quality and favorable prices. We also provide the OEM service for our customers.
Delivery terms and packaging
Packaging Detail: single PE bags , blister package, your packageIf in single PE bags, 1000pcs per carton, 520*520*296mm Delivery Detail: 15-25days
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