(1 x Bluetooth FM Transmitter. FM Frequency Range: 87.5-108MHz. Signal to Noise Ratio: 85db (FM: 65db). Harmonic Distortion: 0.05% FM: 0.1%). 📲The aluminum alloy material and the streamlined design of the shell are processed by 18 processes such as CNC machining, polishing, sandblasting, oxidation, and laser carving.
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