The Syncwire Mobile Phone Ring Holder is a high-quality and nicely finished accessory for your smartphone. Crafted with high quality zinc alloy and stainless steel, it offers durability and a stylish look. The ring holder is coated with vacuum ions to protect it from oxidation and keep its surface shiny. The edges of the ring handle are carefully polished to protect your fingers. Featuring an ultra-strong 3M VHB adhesive strip, this ring finger support phone can be firmly fixed to your smartphone, providing protection against accidental drops and slips. The adhesive tape can be applied to various surfaces such as silicone, rubber, and leather. Two additional 3M adhesive strips are included for your convenience. The Syncwire Cell Phone Holder is rotatable at any time, offering 360 degree rotation and foldable 180 degree adjustment. This allows you to position your phone at the best vantage point, whether you're watching movies, listening to music, doing makeup, making video calls, or playing games. The ring handle has been tested to be bent 6000 times without loosening, ensuring its durability. It is also compatible with magnetic car holders, making it the perfect complement to your car accessories. This versatile phone holder gives you the possibility to keep your hands free and protect your smartphone from accidental drops and slips when you're on crowded buses or subways. You can also place it on your desk, kitchen counter, or table to watch movies, listen to music, do makeup, make video calls, or even play games. It is widely compatible with smartphones from 4 inches and up to 8 inches, including iPhone XS Max, XR, X, 8, 8 Plus, 7, 7 Plus, 6S, 6S Plus, 6, 6 Plus, 5, 5S, 5C, SE, Samsung Galaxy S10+, S10, S9+, S9, S8+, S8, S7, S6, S5, Note 9, 8, 7, 6, LG, Sony, Nexus, Nokia, Google Pixel, and other Android mobile phones. Please note that it cannot be used during wireless charging.