1. Transmission distance: 30m 2. Sensitivity: -38DB 3. Transmission delay: about 25ms 4. Specified type: omnidirectional condenser microphone 5. Working frequency: 2.4G wireless connection 6. Signal-to-noise ratio: 60DBM 7. Charging interface: Type-C 8. Transmission frequency band: 2400MHZ-2483.5MHZ 9. Plug and play, worry-free live broadcast 10. Plug in TF card headphones to facilitate recording adjustment 11. Built-in intelligent noise reduction module to effectively filter noise 12. Real-time ear return monitoring, live broadcast without error 13. Comes with storage and charging compartment, easy to carry and store when going out 14. Compatible with more media and devices, no burden to wear