Mini sistema de microfone de lapela sem fio UHF com bateria de 800 mAh, captação de 50 m para câmera DSLR, gravação de entrevista de vlog de telefone

Product parameter 1. Built-in 800mAh lithium battery 2. Working current: 160+/-10mAh 3. RF frequency: 570-598MHZ 4. Number of channels: 32 channels for each of A/B 5. Audio frequency response: 50-15000HZ 6. Noise floor: <-70dB 7. Total harmonic distortion: <0.1% 8.S/N: >72dB 9. Use time is about 5 hours 10. Production size: 61*17*47(mm) 11.Using distance: no less than 20 meters in complex environments such as interference and unobstructed No interference and open space 50 meters