SONLED Smart Ring - Activity Tracking Heart Rate Monitor

Comprehensive health tracking. Monitors heart rate, blood oxygen levels, body temperature and sleep patterns to get a complete view of your well-being. /> />Experience a versatile, easy-to-use health tracking solution designed to seamlessly integrate into your daily life, promoting a healthier future. /> />Ring material: titanium metal, fully transparent resin inner ring />Ring size: thickness 2.98mm and width 8mm (excluding domestic burrs) />Ring Specification:No 13, #15, #17, #19, #21, #23, #25, #27 />Ring weight: about 5g />Battery Capacity:15-22mAh />Classic mode battery life: about 3-5 days />Sensor: body temperature sensor + acceleration sensor + optical heart rate sensor + optical blood oxygen sensor />Ring requirements: only support pairing Android 5.0 or iOS 11.0 and above devices />NFC:Only support wireless charging, not support other functions />Bluetooth:BLE5.0 /> />Packing List:1 x Smart Ring