1. Wireless microphone system with powerful and stable signals, using UHF frequency band, With 30 selectable channels in the 550-579MHz frequency range, for interference-free operation, wireless range up to 50m(164ft). 2. Adopting high-definition sound lavalier microphone, Lapel clips design for attaching them to clothes, which make it easy for you to move. Signal is transmitted stably, giving you a great sound effect. 3. Transmitter with LCD display to show battery status, channels, etc. Come with a camera shoe mount, it can be directly fixed to your DSLR camera and other shooting equipment. 4. Receiver with 3.5mm interface, comes with two 3.5mm cable, it can work with your Camera/Amplifier/DV/Camcorder/Smart phone/Mixer, etc. 5. This system is a perfect fit for computer/smart phone recording, DSLR videography, field recording and interviews, broadcast TV, ENG, providing dependable audio broadcasting and recording.