Smart Ring With Heart Rate Blood Oxygen Sleep Monitoring & Sports Modes Size 9 Black

Features:
• Main Chip: Rf03
• bluetooth: 5.0
• Sensor Chip: Stk83
• Heart Rate Sensor: Vcare Vc30f (Real Heart Rate)
• Battery Capacity: 17Mah
• Battery Life: 5–7 Days Of Use 15 Days Standby
• Charging Time: About 1 Hour
• Waterproof: Ip68
• Charging Method: Magnetic Charging
• Compatible System: Android 5.1 Or Above Ios 8.0 Or Above
• app: Qring (Connect The Ring To The Phone)

Specifications:
• Compatibility: Android 5.1 Or Above Ios 8.0 Or Above

Package Includes:
• 1 X R02 Size 9 Smart Ring – Supports Heart Rate blood oxygen Sleep Monitoring And Multiple Sports Modes