Wireless Lavalier Microphone Set: 2.4G wireless instant connection, DSP smart noise cancellation, 84-hour ultra-long battery life, one-drag-many full-scenario compatibility, Apple interface. (Black outer case with yellow inner compartment) Wooden Sign [Newly Developed Portable Breathalyzer] This

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Wireless Lavalier Microphone Set: 2.4G wireless instant connection, DSP smart noise cancellation, 84-hour ultra-long battery life, one-drag-many full-scenario compatibility, Apple interface. (Black outer case with yellow inner compartment) Wooden Sign [Newly Developed Portable Breathalyzer] ThisWireless Lavalier Microphone Set: Full Scenario Clear Audio, Endurance Worry Free Creative Companion Core Highlights 2. 4G Wireless Instant Connection: Utilizing 2. 4G wireless technology, the device powers on automatically upon opening the case and connects instantly without manual pairing, achieving sound and picture synchronization. It offers a transmission range of up to 20 meters (without obstacles), making it ideal for outdoor shooting and large