Wireless Lavalier Interview Microphone Short Video Mini Mask Amplifier
---Frequency response range100HZ-20KHZ Output power1.3WSignal-to-noise ratioConsult customer service Power supply modeBuilt-in lithium batteryOperation modePower on and use Effective distance15 metersBattery capacity330MA Shell materialPlasticBox materialABS Appearance size102*40*16 (mm)---Single machine weight:21.5g Color box size:12.6*9.1*3cm