Features Please Pay Attention to that: The function of real-time sound monitors of the headphone jacks of V2 is just for IOS-enabled device, not for DSLRs Cameras and Androids smartphones. In Addition, the V2 microphone preamp works with condenser microphone but can not work with dynamics microphone. You have to learn your device when you purchase this item The V2 is an easy solution to connect any professional microphone to your iPhone, or Guitar and Androids device, DSLRs cameras, mirrorless cameras. As a quality microphone preamp, the V2 allows you to use professional stage microphone or high-end studio microphone, Guitar(you need an adapter) to create music with your devices 3.5 mm Headphone output for monitoring On/Off/+48V switch Gain-control Power/Phantoms Power provided by 9V battery.Headphone monitoring output. Audios gaining control knob. Easy to Use: Simply plug the microphone into a standard XLR connector and then connect it to the application equipment with a 3.5mm output cable. Notice: 1.Actual color may be slightly different from the image due to different light effect 2.Please allow 1-3cm deviation due to manual measurement Model: ‎V2 Package List: 1X XLR Female to 3.5mm TRS-TRRS Adapter