MINI AND PORTABLE DESIGN: The appearance is mini and compact, which enhances private protection, and is easy to use, plug and play, and automatically connect when the receiver is plugged in. LONG BATTERY LIFE: The transmission microphone has a built in rechargeable battery, which supports up to 10 hours of working time. OMNIDIRECTIONAL MICROPHONE: This wireless mini lavalier microphone supports about 20m/65ft barrier free connection, 360° all round radio, and records every detail. NOISE REDUCTION TECHNOLOGY: With professional noise reduction chip and windshield, enjoy intelligent noise reduction technology, effectively identify the original sound, clear recording in noisy environments. WIDELY APPLICABLE: Strong compatibility, supporting Type C interface devices of mobile phones and cameras. It can be used for outdoor live broadcasting, interview recording, audio recording, etc.