Boya 2.4 GHz Dual Wireless Lavalier Microphone BY-WM4 Pro-K2
Dual‑channel wireless lapel kit using 2.4 GHz digital link, each mic outputs via a 3.5 mm mini‑jack with 20 Hz–20 kHz coverage and an 84 dB signal‑to‑noise ratio for clear voice capture on cameras, phones or PCs.
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Reverb (US) 
