Samsung's Galaxy Ring reveal means smart rings have Smart Ring The 3rd generation Oura Smart Ring brings new features and sensors Why Choose a Smart Ring over a Fitness Tracker and What Do They Mean Oura sells its smart ring on Amazon as it prepares for Samsung's debut Samsung Galaxy Ring to launch 'in or around August'. Introducing the Smart Ring the latest in NFC technology! This ring is perfect for Android and iOS users, as it allows you to operate different functions on your phone with just a simple swipe of your finger. With two sets of NFC modules, the Smart Ring can be used for virtual calls, scene notifications, memo sharing, and business card sharing. So why wait? Get yourself a Smart Ring today!