Feature:1. Smart Ring for Women Men: Set daily exercise goals, 5000-10000 steps, record steps, kilometers, and calories anytime, and record the exercise trajectory on the APP. Suitable for different sports modes.2. Magnetic Fast Charging: Sleep tracker ring uses quick charging, built in 18mAh lithium ion battery, long battery life. Real time battery level check available on the APP. Equipped with a charging case.3. IP68 Water Resistant: No need to take off for washing, showering, swimming, etc. Water resistant fitness tracker ring can continuously observe body conditions during activities, unaffected by sweat.4. Smart Chip: Smart ring fitness tracker with powerful computing power and floating point operating technology, achieve faster running speed, higher security, and longer transmission distance.5. Stylish and Comfortable Design: Smart ring health tracker is made of Ti steel material, lightweight, stylish, comfortable, skin friendly. Smart ring is gradually becoming a must have in our daily life with its unique design and powerful features.Specification:Item Type: Smart Ring Health TrackerMaterial: Ti SteelSupport: for Android 5.0 and aboveBluetooth: BLE5.1Water Resistant Level: IP68Standby Time: 10-15 DaysCharging Mode: Magnetic ChargingAPP: for DaringsBluetooth Distance: 3-5 MetersRing Battery Capacity: 18mAh Lithium Ion Battery (Shipped With Built In Battery)Charging Case Battery Capacity: 300mah Lithium Ion Battery (Shipped With Built In Battery).Package List:1 x Smart Ring Health Tracker1 x User Manual1 x Charging Case