For DSLR cameras and smartphones, no batteries required for Operation, includes Foam Windscreen, Adapter cable, Cold Shoe clip, carrying bag. The MightyMic SLR from Amp. Ridge is a compact condenser shotgun microphone that does not need any batteries. It can be used to capture audio in applications for DSLRs camcorders, iPhones, iPads, iPod, touch Samsung Galaxy devices and more. Mic SLR Shotgun mic comes with several features. It is built with a 4 pin TRRS 3.5mm mini jack connector and plugs directly into the headphone jack of your smart device.