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 (Silver, Size 6)

Achieve the Ideal Fit: This smart ring employs unique sizing, distinct from standard jewelry rings or other brands. For accurate sizing, always measure using the official sizing kit prior to purchase. Detailed Health Monitoring: Track your sleep, blood oxygen levels, stress, heart rate, steps, distance, and calories burned. It can also monitor fitness activities like walking and running, providing detailed insights to help you reach your fitness objectives. No Subscription Required: Connect this smart ring seamlessly with the Health Appno subscription fees are needed. It works with both iOS and Android, and the app syncs 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 when you're out, reducing the chance of loss. It's perfect for extended travel or business trips, keeping your ring charged and prepared for your activities. Wear It All Day: With 5ATM water resistance and a titanium exterior designed for 24/7 wear, this smart ring withstands activities such as swimming and hiking, serving as a dependable partner for monitoring your health and fitness data in any condition. Accurate Tracking at Your Fingertip: Powered by an advanced chip and sensor, this smart ring is carefully engineered to deliver precise and reliable data tracking, acting as your personal health advisor wherever you are. HSA/FSA Eligible: This smart ring is eligible for purchase with most Flexible Spending Accounts (FSA) and Health Savings Accounts (HSA). Wearing Instructions: For the most accurate readings, ensure the orientation indicator faces your palm. Also, remove the smart ring before applying slippery substances to your hands to avoid it slipping off