1. Omni-Directional 360° Radio, High-End Condenser Microphone For Ultra-Clear Radio, Equal Amounts Of Sound Received From All Directions, Clear Reproduction Of Vocals And Clear Recording Of Sound Details 2. The Sound Is Clearly Recorded, And The Is Delicate And True. The Sounds Of Chewing Food And Gurgles Of Drinking Water Are All Truly Recorded, Allowing The Audience To Be Immersed In The Scene. 3. 2.4G Wireless Technology, Automatic Frequency Binding And Ready-To-Use, True Wireless Second Connection Up To 30 Meters , Stable Transmission Of Audio And Video, Perfect Synchronization 4. Barrier-Free Transmission, 30-Meter Effective Transmission Without Delay, High-Performance Wireless Technology, Ultra-Stable Signal, Audio And Video Synchronization 5. Intelligent Noise Reduction, Filtering Noise To Make Vocals Clearer, Built-In Dsp Chip, Intelligent Filtering Of Noise To Effectively Reduce The Impact Of Noise On Recording Product Name: Wireless Lavalier Microphone Bluetooth Protocol: Supports Bt5.0 Transmission Distance: ≥30m Sound Delay: ≤30ms Frequency Response: 20HZ-20KHz Sampling Rate: 48KHz Analog Audio: 3.5 Terminal Line Transmission Digital Audio: Type-C Transmission Battery Life: 28H 300mA/H Working Temperature: -10°C~50°C Note:Different Batches May Have Differences In Product Appearance, Color, And Printed Characters, Which Will Not Affect The Use Colour:As Shown Material:ABS Package Contents: 1 x Transmitter Microphone 1 x Receiver Microphone 1 x Adapter 1 x Monitoring Headphones 1 x Windproof Cover 1 x Type-C Charging Cable 1 x Camera Cable 1 x Speaker Cable Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.