Model No.:MR1050
Product Origin:China
Brand Name:SJ
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Description:Features: 1) This product is super miniature designed, and clearly sound quality, bass effect and the high SPL, wide-band, function stability, and quality credibility 2) Can be used extensively for PHS, GSM and the blue tooth headset 3) And the frequency can make to order according to the customers 4) Rated input: 10mW 5) Max. input: 20mW 6) Frequency range: 300 - 3,400Hz 7) Impedance at 1kHz: 32±15%Ω 8) SPL at 1kHz (179mV): 112±3dB