Alvoxcon UHF Single channel wireless headset/clip microphone system comes with 1 portable & rechargeable belt pack transmitter (headset / clip on microphone) and 1 mini receiver. Ideal for filming, vlogging, youtube recording, presentation, lecturing, training etc. Large Application – 1/4” output plug from this wireless microphone receiver works with any mixer, PA system, loud speaker, voice amplifier that has 1/4” MIC IN input jack. It also works with DSLR Camera, iPhone and iPad with the included cable for audio recording, filming, interview, etc. NOTE: 1.It DOES NOT work with Laptop or PC computer 2.It DOES NOT work with small Bluetooth speaker Rechargeable wireless microphone with volume control- Both transmitter & receiver are rechargeable and powered by built-in battery.