Description No subscription fee 24/7 health monitoring High-precision PPG sensor 10-day battery life 5.7g premium crystal 5ATM waterproof Expert wellness guidance Family health connectivity Material: Crystal glass, resin Waterproof Rating: 5ATM Ring Weight: From 5.7g Charging Case Weight: 157g Bluetooth Version: BLE 5.0 Battery Type: Rechargeable lithium polymer battery Battery Capacity: 1.65mAh – 21.5mAh (varies by ring size) Battery Life: up to 10 days Charging Case Rated Input: 5V 1A System Requirements: Android 8.0 or later / iOS 12.0 or later Data Storage: 15 days Operating Temperature: -10°C to 50°C
