1. Wireless live broadcast/eating broadcast/outdoor lavalier radio microphone, universal for mobile phones and tablets 2. The back clip design can be clipped on clothes at will. 3. Pick up music in 360 degrees 4. High-performance wireless microphone, stable signal, can penetrate walls, obstacle-free distance of more than 20 meters 5. Built-in noise reduction chip, strong anti-interference ability 6. Built-in 80mAh battery, up to 10 hours of battery life 7. Frequency range: 2.4GHz 8. Frequency response range: 20-20KHz 9. Transmission delay: 9MS 10. Signal to noise ratio: 64dB 11. Charging current: about 65mA 12. Working time: about 10 hours 13. Charging time: about 80 minutes 14. Input voltage: DC 4.8-5.4V
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