This smart ring supports comprehensive health and convenience features, including heart rate and HRV monitoring, sleep tracking with sleep mode, blood oxygen testing, stress analysis, gesture-based photo control, counting functions, family health sharing, female cycle reminders, and device-finding assistance.

• 【Comprehensive Health Tracking】Monitor sleep patterns, blood oxygen levels, heart rate, and stress with advanced sensors for a complete health overview.
• 【Versatile Smart Ring】Features a digital display for time, steps, heart rate, and blood oxygen data, with a touch-sensitive side button for easy navigation.
• 【Durable Design】Crafted with stainless steel and a resin coating, this IP68 waterproof ring withstands daily wear and water exposure.
• 【Long-lasting Battery】Enjoy up to 5 days of normal use or 8-10 days on standby with a quick 90-minute charge time.
• 【Specialized Features】Includes a prayer counter for Muslim users, gesture-controlled remote photography, and compatibility with WeChat Sports and for Apple Health.
• 【Customizable Experience】Choose from multiple color themes and languages in the RWFit app for a personalized user interface.

Specifications:

• Material: Stainless steel with resin coating
• Waterproof Rating: IP68
• Size Optional:
• #8 (Inner Diameter 18.2mm)
• #9 (Inner Diameter 19.0mm)
• #10 (Inner Diameter 19.9mm)
• #11 (Inner Diameter 20.7mm)
• #12 (Inner Diameter 21.5mm)
• #13 (Inner Diameter 22.3mm)
• #14 (Inner Diameter 23mm)
• Thickness: 2.5mm
• Chipset: PixArt PAR2860
• Memory: 512KB ROM + 32KB RAM
• Sensors: SC7A20H G-Sensor, HX 3918H Heart Rate Sensor
• Bluetooth-compatible Version: 5.2
• Battery: 18mAh (ring), 200mAh (charging case)
• Charging Method: Magnetic charging
• Charging Time: 90 minutes
• Theory Standby Time: 8-10 days
• Normal Usage Time: 5 days
• Operating Temperature: 0-50℃
• Compatibility: Android 5.0+ and iOS 10.0+
• App: RWFit (supports multiple languages and OTA upgrades)