1. Wireless Lavalier microphone, no delay, plug and play, suitable for live broadcast, outdoor interviews, short videos, online classes, etc.
2. 2.4G wireless transmission, stable signal, 30 meters barrier-free long distance, free recording and pickup without restrictions
3. The wireless microphone automatically turns on when the cover is opened, and automatically turns off when placed in the charging compartment
4. The wireless microphone can pick up sound for up to 7 hours on a single charge and can last up to 48 hours with the charging compartment
5. 360-degree omnidirectional sound pickup, high-sensitivity sound pickup is clearer, and high-fidelity sound quality
6. Up to 48KHz stereo recording, filtering a variety of noises for different noise environments, and the sound is clearer and more delicate
7. Multi-level mode switching, silent mode/noise reduction mode/reverberation mode, adapt to different scene applications
8. Comfortable Lavalier microphone, one-piece aviation aluminum, free hands, light and durable

Parameters:
1. Frequency band: 2.4GHz
2. Wireless distance: about 50m (open environment)
3. Microphone type: omnidirectional condenser microphone
4. Frequency response: 20Hz-20kHz
5. Charging voltage: DC 5V/0.3A
6. Sensitivity: -45db
7. Signal-to-noise ratio: less than 75db
8. Sampling rate: 48K 24BIT
9. Charging time: about 1.5 hours
10. Battery capacity: 85 mAh for receiver, 400 mAh for charging compartment
11. Weight: 28.5g for transmitter, 285g for receiver