The LARK MAX is an all-in-one wireless lavalier microphone system with industry-first MaxTimbre Mic technology and advanced ENC technology, delivering unparalleled studio-quality audio at distances of up to 820ft (250m). The transmitter has 8GB of built-in storage and supports up to 14 hours of backup recording. It is perfect for interviewing, vlogging, podcasting, EFP, online teaching, and any audio recording applications requiring a high-quality audio pickup and backup solution.