Lynx Smart Ring-All Day Sleep & Activity Tracking, Includes Charging Case, Gifts for Men, 7-Day Battery Life, Subscription-Free App for iOS & Android, Size Before You Buy (Black, Size 11)

Achieve the Ideal Fit: This smart ring employs a distinct sizing system, unlike conventional jewelry rings or other brands. For precise sizing, always measure with the official sizing kit prior to purchase. Detailed Health Monitoring: Track your sleep, blood oxygen levels, stress, heart rate, steps, distance, and calories burned. This smart ring also monitors fitness activities like walking and running, providing comprehensive insights to aid your fitness objectives. No Subscription Required: Connect the smart ring seamlessly with the health appno subscription fees are needed. It works with both iOS and Android, and the app integrates with Apple Health and Google Health Connect. Handy Charging Solution: Featuring a 7-day battery life, this smart ring comes with a charging case for an additional charge and secure storage on the go, reducing the chance of misplacement. It is perfect for extended travel or business trips, keeping your ring charged and prepared. Wear It All Day: With 5ATM water resistance and a titanium exterior built for constant wear, this smart ring withstands activities including swimming and hiking, serving as a dependable partner for monitoring your health and fitness information. Accurate Tracking at Your Fingertip: Equipped with an advanced chip and sensor, this smart ring is carefully engineered to deliver accurate and dependable data tracking. HSA/FSA Eligible: This smart ring qualifies for purchase with most Flexible Spending Accounts (FSA) and Health Savings Accounts (HSA). Wearing Instructions: For optimal measurement accuracy, ensure the orientation indicator faces your palm. Also, take off the smart ring before applying slippery substances to your hands to avoid it slipping off