J28 wireless microphone Transmission distance: 20-30 meter Sound delay:≤30ms Type-c or lightning connection:yes, via audio cable Camera connection:support(3.5MM TRS) Sensitivity:-38dB±3dB omnidirectional silicon microphone Frequency response: 20Hz-20KHz Sampling rate:48KHz SNR (signal to noise rate):≥75dB Working current:≤25mA shutdown current:≤50uA Working time : 4-6hours Support TF Card inertnal recording
M7 wireless microphone Transmission distance: barrier-free distance of 70 meter Sound delay: ≤18-22ms Microphone: -38dB±2dB omnidirectional silicon microphone Frequency response: 20Hz-20KHz Sampling rate: 44.1KHZ(noise reduction: 32khz) Signal-to-noise ratio: ≥65dB Working current: 12mA Microphone battery/life time: 80MAH/5H Charging compartment battery: 230MAH Charging compartment battery charging time: about 2.5 hours Microphone/charging compartment charging voltage: DC4.8~5.3v
M31 wireless microphone Microphone: Digital mic Input voltage: 5V Battery capacity: 110MAH charging compartment battery; 300MAH Battery life: 9 hours SNR: 64DBM adaptive noise reduction Transmission delay: ≤25MS Sensitivity: -42DB Frequency response range: 20-20KHZ Transmission distance: barrier-free 20-30m
M11 wireless microphone Pickup Mode: 360° Omini-Directional RF band: 2400-2483.5MHz Signal-to-Noise Ratio: -65dB Transmission Delay: 20ms Sensitivity(Mic): -35dB Frequency Range: 20Hz-20KHz Control Distance: Barrier- 40meters Battery Capacity: 80mAh Charging Time: 1.5hours Charging Case capacity: 400mah Charging Time: 2.5hours Working time: 6.6hours-with Charging Case 24hours





