SX21 Wireless MicrophoneModel: SX21🔸Battery Capacity: Microphones: 110mAh (x2 = 220mAh),🔸Charging Case: 800mAh🔸Battery Life: Up to 9 hours🔸Signal-to-Noise Ratio: 64dBm🔸Transmission Delay: 30ms🔸Sensitivity: -42dB🔸Frequency Range: 20Hz-20kHz🔸Transmission Range: 20-30m (no obstacles)🔸Features: ENC noise reduction, Plug & Play, 360° sound capture, magnetic clip, Type-C 🔸connectivity🔸Compact & Lightweight: Mini-sized, round design ensures portability and ease of setup.🔸Magnetic Clip: Securely attaches to clothing for hands-free, stable usage.🔸360° Microphone: Captures high-quality, omnidirectional sound for clear recordings.🔸Noise Reduction Technology (ENC): Reduces ambient noise, delivering superior audio clarity.🔸Plug & Play: No drivers or software required-just connect via Type-C and start recording.🔸Versatile Applications: Perfect for live streaming, vlogging, teaching, interviews, and more.