• Connect the ring via Bluetooth with your mobile phone, keep the Bluetooth on, and the Bluetooth will be connected automatically when the app is launched
• Support a variety of exercises, including walking, running, cycling, etc., after the exercise to view exercise data on the APP, such as exercise time, exercise distance, heart rate changes, calories consumed and so on
• 7*24 hours real-time heart rate, blood oxygen monitoring function
• When you fall asleep, the ring automatically monitors your sleep quality and generates sleep reports to help you develop good sleep habits
• Fully enclosed structure, IP68 grade waterproof technology, easy to deal with daily waterproofing, support wear swimming, hand washing, rain, etc., to meet your various waterproof needs

Specifications:

• Ring inner diameter: Size 18: 17.8mm, Size 20: 19.8mm, Size 22: 21.8mm
• Chipset: DA14535
• APP: LuckRing
• Compatible System: Android5.1 (inclusive) and above, IOS8.0 (inclusive) and above
• RAM Memory: 64KB
• FLASH Memory: 4Mb
• Screen: no
• Encoder: not supported
• Touch: not supported
• BT: 5.3 low-power Bluetooth chip
• Bluetooth call: not supported
• WIFI: not supported
• NFC: not supported
• Acceleration sensor: MIRAMEM da267
• Gyroscope: not supported
• Heart Rate Sensor: HX3918
• GPS: not supported
• Battery type: polymer lithium-ion
• Battery capacity: 20mAh
• Charging Method: magnetic charging
• LuckRing APP function:
• Steps, kilometers, calories, exercise data recording
• Heart rate measurement, blood oxygen measurement, sleep health monitoring, physical fatigue assessment
• Multiple sports modes
• Supported languages: Chinese, English, Japanese, Arabic, Spanish, Hindi (depending on the phone system)
• Waterproof Level: IP68
• Charging time: about 1-2 hours
• Life time: 7-10 days in use, 15-20 days in standby mode
• Appearance material: Aluminum alloy, stainless steel