SONLED Smart Ring - Heart Rate Monitor Pedometer Sleep Monitor

Track your health with advanced sensors that tell you when you may be sick, and sometimes even before symptoms appear, by analyzing key body signals such as body temperature trends, heart rate changes, and blood oxygen trends. sleep quality. Be gentle with your body and take precautions to prevent getting sick. Specification: Product: smart ring Condition: New Ring material: aluminum alloy titanium + stainless steel Ring Weight: about 6.8g Battery Capacity:18mAh Battery life:3-5 days of normal use Charging time: about 30-60 minutes Sensors: accelerometer sensor, temperature sensor, optical heart rate sensor, optical blood oxygen sensor Waterproof Grade:IP68 System Support:IOS11.0 and above or Android 5.0 and above Bluetooth Version:BLE5.1 Package List: 1 x Smart Ring 1 x Charger 1 x Instruction Manual