Saramonic Blink 500 Pro B2 Advanced 2.4 Ghz 2-Person Wireless Clip-On Microphone System

Saramonic Blink500 Pro B2(TX+TX+RX). Microphone type: Lavalier microphone, Microphone connectivity: RF Wireless, Wireless range: 100 m. Receiver type: Bodypack receiver, Receivers AF frequency response: 50 - 18000 Hz. Transmitter type: Bodypack transmitter. Sound pressure level (max): 120 dB, Signal-to-Noise Ratio (SNR): 78 dB, RF power: 10 mW. Battery type: Built-in battery, Operating time: 8 h, Battery voltage: 5 V