New upgraded chip 24/7 monitoring of your heart rate, activity and sleep data provide comprehensive sleep monitoring connect to the cell phone APP via Bluetooth real-time view of the monitoring data and give professional health guidance advice. 【IP68 Waterproof & Dustproof】: Our health rings are super waterproof easy to deal with daily waterproof. No need to take it off you can wear our fitness ring on any occasions such as hand washing showering swimming and so on. 【Shake the Smart Ring to Take Pictures】: Remote control to take pictures free your hands wear the smart ring to shake your hand to easily take beautiful pictures. 【Fashionable & Lightweight】: Our sleep tracker ring is made of space-grade titanium forged. 0.09in thickness is thin light and comfortable to wear the ring looks cool. The smart ring can be worn as a fashion item by both men and women. 【Data Sync with APP】: No App Subscription. Download and pair the Lefun Health(Life) APP to use the fitness ring. View all your health and fitness data on the app. Compatible with Android 8.0 or iOS 14 and above.