R8 Nano Ceramic Stainless Steel Smart Ring Fitness Health Tracker IP68 Waterproof Sport Finger Ring Heart Rate Blood Oxygen

Parameters: Material: Nano Ceramic Body + Stainless Steel Inner Ring Main Chip: NORDIC NRF52832-CIAA Chip: SY8602 Sensor: QMA6100P Battery: 23mAh,3.7/4.2V lithium battery Sports Measure:Calories, Steps, Mileage Sleep Monitor: 20:00 ~ 8:00 Multi-sports:Running, cycling, skipping rope, fitness, mountaineering, yoga, golf, dance Heart Rate checking, Blood oxygen, Fitness track Capacity:23mAh Charging mode:Magnetic Charging Cable,case charging The APP system requires Android: 6.0 or above IOS: 11.0 or above“ Bluetooth version:5.2 Charging voltage: 4.6~5.2V APP name: SmartHealth Dust Proof & Waterproof Level: IPX8 Size Size 16= Inner Diameter 15.4mm= Outer Diameter 22mm Size 18= Inner Diameter 17.8mm= Outer Diameter 24.5mm Size 20= Inner Diameter 19.8mm= Outer Diameter 26.5mm Size 22= Inner Diameter 21.5mm= Outer Diameter 28.5mm Main Function: Heart rate detection. Blood oxygen test. Body temperature detection. Remote photography. Sleep detection (Sleep time ,Sleep quality). Multiple sports modes. Step count. Calories. Synchronous data to APK/APP. APP supports languages English,Simplified Chinese,Chinese traditional,Russian,Ukrainian,German,French,Italian,Spanish,Portuguese, Polish,Greek,Romanian, Hungarian,Turkish,Czech,Slovak,Irish,Croatian,Swedish,Danish,Finnish,Arabic,Hebrew,Persian,Norwegian,Japanese,Korean,Thai,Vietnamese Warm tips Waterproof: It is just life waterproof. It is not allowed to soak the smartring in water! (Please be careful to avoid corrosive liquids like hand sanitizer, soap enter the smart ring and cause component damage.)