Vention USB-C 2-Pack Wireless Lavalier Microphone with Charging Case Black Type - Audio Sampling Rate 48KHz Plug-and-Play Design, No Pairing Required Lavalier is Wearable, Compact, and Lightweight Convenient Charging and Storage, Ideal for Travel 300m Transmission Distance (In Obstacle-Free Environment) 2.4GHz Wireless Transmission, Latency as Low as 15ms Real-Time Audio Monitoring, Adjust Anytime for Best Performance Built-in Charging Case, Provides Long Battery Life for All-Day Use Supports Live Streaming, Monitor, and Reverb Effects, Perfect for Karaoke Smart Noise Cancellation Algorithm, Ensures Accurate Pickup in Complex Environments