Wireless Lavalier Microphone Noise Cancellation Lapel Mic with 400mAh Charge Case for Phone Laptop Camera Vlogging Live Streaming Recording Live Broadcast Interview Mic Plug-Play

vitog. Bluetooth wireless lavalier microphone. 2.4G wireless technology, distance 40 meters get intelligent noise reduction. Battery life: 8 hours, 360 pickup. DSP oscillation mode, frequency lock chip. Frequency stability 10 taps. RF power 10dBm. Audio frequency response 40~18000Hz. Distortion level. Battery specifications: built-in 3.7V polymer lithium battery. Bluetooth wireless lavalier microphone. 2.4G wireless technology, distance 40 meters, get intelligent noise reduction. Battery life: 8 hours, 360° pickup1. Technical specifications of the transmitter1. Frequency Range 610.50~669.50MHz2. The number of channels A and 30 cells B each conservative value each time they are matched. The code will change randomly. within the frequency range specified by the manufacturer. 3. DSP oscillation mode, frequency lock chip. 4. Frequency stability ±10 taps5. RF power 10dBm6. Audio frequency response 40~18000Hz7. Distortion level