Crystal Clear Sound: This wireless microphone for iphone is built with DPS chips to reduce unpleasant background noise and effective windscreen cover to avoid plosives, so the recording sound is crisp. The omnidirectional lapel mic pick up sound from all around while blocking out ambient screech and noise, thus ensuring stereo, vivid and euphonic sound 35H Long-lasting & Battery Indicator: The lavalier microphones work up to 35 hour with charging case, last for 7 hours per microphone on a full charge. The number on the lav mics and charging case tell you how much battery they have left Plug and Play & Auto Pairing: This mini phone microphone is easy to use, simply plugging it in your phones and you can instantly start using it because this small phone mic with auto sync is able to connect automatically with no app and bluetooth needed Dual-People Pickup: The 2 pack mini microphones are capable of picking up sound from two people speaking simultaneously. The feature is specially designed for vlogging, video recording, live streaming and podcasting 75 Ft Long Range Recording: The maximum effective distance of this cordless mini mic reaches up to 70 feet. These tiny mics come in handy when you have to stand far away from you phones to record. These lapel microphone wireless also enjoy steady and low latency recording, providing optimal experience for long distance recording Type C & Lightning Compatible with: This wireless lavalier microphones are compatible with iPhone, iPad, and Android. You can use this lav mic with almost all mainstream phones. You can hold the mini lav mic by hand or clip the lapel mic to your shirt. Upgrade your recording experience with the NPTCL Wireless Lapel Microphone today