This Ulanzi A100 is a Wireless Lavalier Microphone that is used for music recording, vlogging, live streaming, etc. The Ulanzi A100 microphone has an omnidirectional polar design that can pick up sound naturally and consistently from all directions. It works up to 20 meters via Bluetooth 5.3+EDR. Moreover, the 3.7V/70mAh battery provides about 5 hours of battery life and about 1.5 hours of charging time
