Plug and Play, No Battery Needed, No Bluetooth Pair Needed, Apps Free, Wi-Fi Free. Light weight and reduce the burden of the arms. Perfect for your self-capturing, no need to ask others for help now. Compatible for android and iOS. For Android System Above 4.2.2, if it still not works, download the camera 360. For iOS system above 5.0.1, no need any app, plug into earphone hole and take photos. Adjustable holder allows a variety of shooting angles from traditional selfies to above-crowd shots. High sensitive buttons and amazing design all meet the aesthetic principle. Suitable for iPhone 6, 6 Plus 5 5S 5C 4S, S-amsung Galaxy S5 S4 S3 Note 4 3 2 and Other Smartphone. Adjustable holder: 5.5 -8.5cm Note: Due to the cable, this product do not have waterproof function. What cell phone can work with this product? 1. For iphone 4 4s 5 5s 6 6plus , it can use directly. Do need any seting or App. 2. For S-amsung note2/3,S4,S5 ,G7109,G3588, Coolpad Dazen Series, X-iao-mi,Red mi,Hua-wei P6 P7 3X 3C Mate 2 G730. Please set volume botton +/- of your phone to take photos before use. 3.For other Android smart phone which system Above 4.2.2, try to install an APP camera360 Compatibility: Universal Features: Selfie Stick,With Cable Compatible for android and iOS . For Android system above 4.2.2, if it still not works, download the camera 360. For iOS system above 5.0.1, no need any app, plug into earphone hole and take photos. Material: Plastic,Stainless Steel