Alvoxcon UHF two channel wireless headset/clip microphone system comes with portable design rechargeable belt pack transmitters (headset / clip on microphone) and receiver (1/4 output plug). Ideal for filming vlogging youtube recording presentation lecturing training etc. It is preset with 902- 928 MHz and complies with the new FCC regulations for wireless microphone Large Application - 1/4 output plug from this wireless microphone receiver works with any mixer PA system loud speaker voice amplifier karaoke machine only if they comes with 1/4 MIC IN input jack. It also works with DSLR Camera PC laptop tablet and smartphones (not for Android phones) with the included cable for audio recording filming interviewing etc. NOTE: 1.It DOES NOT work with MacBook or Android smartphones 2.It DOES NOT works with Bluetooth speaker 3.Please volume down external audio device before plug in the receiver then volume up slowly for comfortableness & avoid feedback. 4.Press the receiver on the hot shoes mount till a click is heard for secure lock when work on camera Rechargeable wireless microphone with volume control Both transmitter & receiver are rechargeable and powered by built-in battery. Battery status frequency are displayed on LCD of the body pack transmitter. Packing details 2 x Body pack transmitter 1 x Mini receiver 2 x Headset microphone 2 x Lavalier microphone 1 x Smartphone adaptor cable 1 x Hot shoe mount adaptor 1 x adaptor (3.5mm - 3.5mm for work with Camera) 1 x charging cable 1 x Manual