Plug and Play??Battery-Free?? simply plug in the 3.5mm audio cable and press the shutter for pictures.</br>Compatible with Android 4.2 above and IOS ??such as iPhone 6s??iphone 6s plus?? iPhone 6/6 plus?? iPhone 5S/ 5?? Samsung Galaxy S6 edge+/s6 edge/ S5/Note 5/4/3??lg g4/g3/lg V10??Lumia 950??950xl</br>The 270-degree adjustable"er allows a variety of shooting angles from selfies to above-crowd shots. Went for one with lead rather then Bluetooth. Always lin