Innovative 360 degree rotating finger holder for secure grip and better thumb reach for smartphones, tablets and e-readers as well as covers and cases. Also ideal as a stand for watching movies, series and videos. Improved one-handed operation for your screen. With the ring holder, your device fits comfortably and securely in your hand at all times, especially when taking selfies. With integrated mirror. Made from scratch resistant zinc alloy. For assembly, please remove the protective layer of the adhesive film and place the finger holder in the desired location. Can be removed without leaving residue if necessary. Suitable for all popular smartphones, tablets and e-readers: Apple iPhone XS (Max), XR, X, 8 (Plus), 7, 6s, SE, iPad Pro, Air, mini 4, Samsung Galaxy S10, S9 (Plus), S8, S7 (Edge), S6, Note 10, 9, 8, Tab S4, S, A, E, HTC U12, U11, OnePlus 6T, 6, 5, Sony Xperia XZ2 (Compact), Motorola Moto G6, G5, Nokia 8, Huawei Mate 20 (Pro), P20 (Pro), LG G7 ThinQ, Google Pixel 3, 2, Xiaomi Mi 8, Amazon Fire 7, HD 8, HD 10, Kindle Paperwhite, Oasis, etc. Dimensions: 36mm (height) x 30mm (width) x 3mm (depth). Weight: 15 g.