Outdoor Live Radio Lavalier Microphone Bluetooth Miniature Wireless Mics

1. Realize long-distance high-definition radio for webcasting, video vlog shooting, interviews, audio, video teaching and other occasions to use
2. Automatic noise reduction, reverb, monitoring, playback, mute, can be live while charging the phone
3. 2.4G wireless connection, boot automatically connected, easy to operate, support for one tow two people to use
4. Can be used for cell phones, computers and other devices without APP
5. Built-in rechargeable battery, ultra-long battery life

Parameters:
1. Microphone: digital silicon mark
2. Input voltage: 5V
3. Battery capacity: 60mAh
4. Continuity: 5-6 hours
5. Signal-to-noise ratio: 64DBM adaptive noise reduction
6. Transmission delay: 20MS
7. Sensitivity: -42DB
8. Frequency range: 20Hz-20KHz
9. Transmission distance: 15-20 meters without obstacles
10. Size (including color box): 12.1 x 8.1 x 3.1cm
11. Weight (with packaging): 68g for single mic, 85g for dual mic