Colmi R05 Smart Ring with gesture control! Color: Gold Ring size: 8 Android and iOS compatible COLMI R05 Smart Ring ✨️ A breakthrough in wearable technology, offering seamless health monitoring right at your fingertips. ✨️ Effortlessly track your heart rate, blood oxygen & stress levels. Your health data is automatically recorded, ensuring you're always in the know about your body's status. ✨️ Wear it worry-free every day, the titanium steel shell, paired with advanced low-temperature potting technology, grants the ring a 5ATM&lP68 water resistance rating. ✨️ The R05Smart Ring is not just feather-light but incredibly durable and resistant to wear. Its ruggedness is matched by monitoring accuracy in real time! ✨️The QRing app needs to connect to the ring via Bluetooth, the app automatically connects to the ring when launched. Even when not connected to the phone, the ring still records data and updates within the app once connected!