Multi-Functional Smart Ring: NFC Access, Heart Rate, Waterproof, Sleep & Health Monitoring

This sleek and modern smart ring is a versatile accessory designed to enhance your daily life. With built-in NFC access, it offers seamless connectivity for secure transactions and smart access control. The ring also features advanced health monitoring capabilities, including heart rate tracking and comprehensive sleep analysis, providing valuable insights into your well-being. Its waterproof design ensures durability and reliability, making it perfect for any adventure or everyday use. Battery Capacity: 15~20mAh Physical Dimension: #7#8#9#10#11#12#13 Product Weight: 4 Wearing Method: Finger Applicable Systems: Android, Apple Additional Features: NFC function, heart rate detection, sleep monitoring, Bluetooth, deep waterproof Packing List: Exquisite packaging box, charging cable, charging case, user manual Manufacture country: China Instructions included: No