Aoiutrn Wireless lavier microphones are especially suitable for large mobile conferences, recording, public communication, outdoor presentations, lectures, live streaming and other occasions, but also available on YouTube, Instagram, TikTok and other social media platforms. The microphone is designed to be easily clipped to the collar, which not only makes it easy to carry, but also allows high-quality recording without affecting the user’s movement. Built-in large-capacity lithium battery, the use time is up to 5 hours (2 microphones can be up to 10 hours), full charge only 2 hours, but also can be used while charging.it is very convenient.Product SpecificationsColor: Black Transmission Distance:65FTBattery Capacity:100mAh Weight:5g each(10g/pair) Package:2 x lapel microphone wirelessPlug and Play This lapel microphone for iphone adopt 2.4GHz wireless transmission technology that no need to connect a conversion cable. Plug and play, 1 second connection,65ft stable transmission. Small and PortableAoiutrn wireless lavalier mic with mini lightweight design, only 5g each, lightweight to carry, does not take up spaceNo Noise and Super Clear Sound This lapel microphone wireless with DSP noise reduction chip that clear recording of the original sound, pure original sound, delicate and real and strong anti-interference.NOTE 1.For if some Android phones are not connected, OTG mode needs to be enabled. 2.For Some android devices have built-in cameras that cannot recognize the external microphone picking up voice. Download the ”Open Camera” app to allow the camera to recognize the external microphone.