(1pc BT Fm modulator. Signal to noise ratio: 85db (FM: 65db). FM frequency range: 87.5-108MHz. Harmonic distortion: 0.05% FM: 0.1%). USB output: 3.1A. Suitable models: DC12V -24V car general. Noise cancellation function, built-in noise cancellation circuit, make the call sound clearer.
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