2 In 1 Lavalier Lapel Microphone Button MIC Wireless Lavalier Mic Smartphone/Laptop/Tablet

Label:Yes Transmission distance:10-20m Mic Size:about 2.6cm(1.02in) Packing:1pc Receiver,1pc/2pc mini mic Receiver Size:about 4.7cm(1.85in) Frequency response range: 20Hz-20KHz Style:Lavalier Microphone Signal to noise ratio: ≥ 60dB Material: Plastic Battery capacity: 40-50mAh Working time:2-3h

Usage tips: The noise reduction mode will make the voice brighter (suitable for people who speak softly) When two people are using it, do not keep the collar clips too close (the best effect is when it exceeds 3 meters) When the winter is extremely cold, the battery life will be shortened