• 【Advanced Health Monitoring】Tracks sleep patterns, blood oxygen levels, and heart rate for comprehensive health insights.
• 【Durable Water Resistance】IP68+5ATM waterproof rating allows for use up to 50 meters deep, suitable for swimming and snorkeling.
• 【Premium Construction】Crafted from stainless steel with a gel-infused design for comfort and durability.
• 【Long-lasting Battery】Up to 5 days of normal use or 20 days on standby with a quick 1-hour charge time.
• 【Smart Gesture Control】Enables hands-free interaction with social media apps and remote camera control for convenient selfies.
• 【Versatile Compatibility】Works with Android 9.0+ and iOS 10.0+, integrating with WeChat and Apple Health for comprehensive fitness tracking.
• 【Customizable Fit】Available in multiple sizes from #8 to #14 to ensure a perfect fit for every user.

Specifications:

• Waterproof: IP68+5ATM waterproof (wearable for diving or snorkeling, supports waterproofing at a depth of more than 50 meters)
• Material/Craftsmanship: Stainless steel + glue filling process
• Size:
• #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 23.0mm)
• Thickness: 2.6mm
• Weight: about 3.2g
• Chipset: PAR2860 - ultra-low power consumption, more durable
• Memory: 512KB ROM + 32 KB RAM
• G-Sensor: SC7A20H
• Bluetooth-compatible Version: 5.0
• MobileAPP-GPS: Yes
• Heart rate sensor: HX 3918
• Battery Type: polymer pure cobalt battery
• Operating temperature range: 0-50℃
• Battery Capacity: ring: 16mAh, charging case: 200mAh
• Charging time: 1 hour
• Theory Standby time: about 30 days
• Normal using time: 3-4 days
• Charging method: Charging case
• Compability: Support Android 9.0 and above; IOS 10.0 and above
• OTA upgrade: Support FOTA upgrade
• APP: RWFIT