About Product: Wireless Microphone Kit OVERVIEWThe SX21 is a professional‑grade dual‑channel wireless mic kit designed for live streaming, vlogging, interviews, and mobile journalism. It includes two clip‑on transmitters and a compact receiver that plugs directly into your device—whether iPhone (Lightning) or Android (USB‑C). All three units dock in a portable charging case with auto‑pairing and LED indicators, giving you clear, noise‑reduced audio on the go without bulky cables or mixers. FEATURES Dual Transmitters: record two speakers simultaneously with separate clip‑on mics 2.4 GHz Digital Link: stable, low‑latency transmission up to 50 m line‑of‑sight Active Noise Cancellation: built‑in ANC filters ambient noise for crystal‑clear vocals Portable Charging Case: magnetic docks recharge all units; LED status for power and pairing Universal Receiver: plug‑and‑play with interchangeable Lightning and USB‑C adapters Long Battery Life: up to 6 hrs per unit; total of 24 hrs with the case’s reserve power Auto‑Pair on Power‑Up: instant connection—no manual syncing required Real‑Time Monitoring: pass‑through headphone output on receiver for live audio checks Broad Compatibility: works seamlessly with smartphones, DSLRs, mirrorless cameras, and PCs Durable & Compact: rugged ABS construction in a pocket‑friendly form factor.