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Invisible Hidden Wireless 3.5mm AUX Jack Secret Spy in-Ear Earphone Earpiece,Mini Recording Earphone for Mobile Phone Laptop Peripheral

Color: Black
Connector(s): 3.5mm Jack
Bandwidth :300 Hz to 4 KHz
Working time: 5 hrs

Availability: In stock

Memory usage: real: 14942208, emalloc: 14249112
Code ProfilerTimeCntEmallocRealMem