LARK C1 DUO 2-Person Wireless Microphone - Lightning Version-Black

wireless transmission: 2.4GHz Adaptive Frequency Hopping (AFH) transmission range:130ft (40m) for NLOS/650ft (200m) for LOS Polar Pattern: Omnidirectional Frequency Range: 20Hz–20KHz maximum spl: 110 dB Wireless microphone system allows you to record two on-camera personalities at once to your USB-C mobile device Clip-on transmitters with built-in omnidirectional microphones for quick set up One-click noise cancellation feature delivers high-performance recording quality by cutting out ambient noise for clearer voice recordings Dual-channel receiver plugs directly into USB-C port on device Plug-and-play configuration with LarkSound app for adjustments 48 kHz, 16-bit sampling rate Up to 656′ wireless transmission range 2.4 GHz adaptive frequency hopping LED status indicators Includes charging case with built-in battery for additional operating time Input dynamic range: 86 dB Battery capacity: TX: Charging Case:140mAh (0.518Wh) 1400mAh (5.18Wh) Operating time: TX: Charging Case:8H Maximum 3 times of charging for 2 TX Charging time: TX: 1.5H Charging Case: 1.5H Dimensions（H×W×D): TX: 48x21.5x10 mm (1.89”x0.85”x0.4”) RX: 48.3X27.6X9 mm (1.9”×1.1”×0.35”) Charging Case: 83x60x30 mm (3.3”x2.4”x1.2”)