Description: Wireless mic Microphone: The microphone remove the noise during recording. Transmission distance up to 50m, tansmitters and receivers lapel mics built-in omnidirectional micrphone. USB charging, the using time is 4 hours when fully charge, LCD display screens shows the working Wireless mic microphone features technology, 3.5mm audio ports, suitable for smartphone, tablet, computer, DSLR, etc. DSP technology, the microphone can provide a high quality audio performance in live broadcasting. Specification: Pickup Method: omnidirectional Power Consumption: 80MA Frequency Range: UHF550~950MHz Signal to Noise Ratio:> 98dB Frequency point 50 power: 450MA Frequency Response: 75Hz~ 18KHz+3dB Use Time:> 4 hours Maximum Channel Deviation: 50KHz Effective Working Distance: 0-30m (with obstacles) /50m (open land) Size Chart: 4.6x4.6x1.5cm / 1.81x1.81x0.59inch Package Includes: 1 Piece 1 Piece Receiver 1 Piece Phone Connection Cable 1 Piece Camera Connection Cable 1 Piece Charging Cable 1 Piece Manual 1 Piece Windproof Cotton Ball Note: 1. Please allow slightly error due to manual measurement. 2. Due to the difference between different monitors, the picture may not reflect the actual color of the item. 3. Wish you a wonderful shopping!