The Oura Ring Gen 5 in size 8 and silver color is a new activity tracker in the box ready for fast shipping. This high-tech ring is designed for both indoor and outdoor use, with a display resolution of 240 x 240 and a battery life of up to 7 days. Made of titanium, it provides heart rate monitoring, sleep tracking, and is compatible with Android operating systems. Featuring Bluetooth connectivity, accelerometer sensor, and a 1-year manufacturer warranty, this versatile ring is perfect for unisex adults looking to track their fitness and running activities with precision and convenience.