Ultra-narrow Seamless Comfortable Waterproof Sports Health Sleep Data Menstrual Data Smart Ring Android iPhone IOS fro men women

Ultra-narrow Seamless Comfortable Waterproof Sports Health Sleep Data Menstrual Data Smart Ring Android iPhone IOS fro men women. Product Name: Smart Health Ring. App Support. Android 5.0 or above, lOS 10.0 or above. Hardware Specification. The accuracy rate of static heart rate is more than 95%. Materials: Case: Titanium steel, aluminum, ceramic optional. Size: Width 7.0mm; #6(16.5mm) #7(17.4mm) #8(18.2mm) #9(19.0mm) #10(19.9mm) #11(20.7mm) #12(21.5mm) #13(22.3mm) OTA Support. Support OTA via BT. Battery: Rechargeable 14.5-21.5mAh depending on the ring size, Lipo battery, non-replaceable. Waterproof. 5ATM. Data Memory. 15 Days. 1*smart ring1*Magnetic charging case. 1*gift box1*user manua. 1*type-c charging cable. Battery Type. Polymer Pure Cobalt Battery. Operating temperature range. Battery Capacity. 15-20 mAh. Charging time. Two hours. Theory Standby time. 10-15 days. Normal using time. 3-5 days. Step&G-sensor. The accuracy of the step counting algorithm is over 95%. Features: App Control. Function: Calorie Tracker. Function: Multisport Tracker. Function: Menstrual Management. Function: Temperature Trends. Function: Smart Counter. Function: Blood Oxygen Sensing. Function: Message Reminder.