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HD Mono EARPHONE Specifications * Brand: NYORK * Product: Earphone * Model: HP913 * Speaker: 14mm * Works For: Calls & Music * Frequency: 18Hz~20kHz Sensitivity: 116±3dB(at 1KHZ,0.5Vrms) Impedance: 32 Cable Length: 1.2 Meter * Chipset Digital IC: JL1279