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Specification:Brand Name: JTXModel Number: F606Mic: YesWired Control: YesOptional Color: Black， White.
Mic:
Mic Dimensions: 4.0*1.5mm
Directivity: omndrectional
Impedance: !#!amp!*!lt;=2.2Kohm
S.P.L: -58db+\/-3db Speaker:
Driver diameter: 10mm\/6u
Impedance: !#!amp!*!lt;=16ohm
Frequency Response: 20-20KHz
Sensitivity: 105+\/-3db Package Included: 1 X JTX F606 Earphone