• 【Smart Health Tracking】This intelligent ring monitors sleep patterns, blood oxygen levels, and heart rate, providing comprehensive health insights
• 【Durable and Waterproof】Crafted with stainless steel and featuring IP68 waterproof rating, this ring is built to withstand daily wear and water exposure
• 【Long Battery Life】With a 16mAh polymer pure cobalt battery, enjoy 3-4 days of normal use or up to 20 days on standby
• 【Bluetooth-compatible 5.1 Connectivity】Seamlessly sync your data with the Jring app, compatible with Android 9.0+ and iOS 10.0+ devices
• 【Quick display】Touch the side button to display time, steps, heart rate, blood oxygen, sleep, battery level and other data to remind you at all times

Specifications:

• Waterproof rate: IP68
• Material: 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)
• Thickness: 2.5mm
• Chipset: Dialog DA14585
• Memory (ROM+RAM): 128kb ROM + 96 Kb RAM
• G-Sensor: SC7A20
• Bluetooth-compatible Version: 5.1
• MobileAPP-GPS: Yes
• Heart rate sensor: HX 3918
• Battery Type: Polymer pure cobalt battery
• Battery Capacity: 16mAh
• Operating temperature range: 0-50℃
• Charging time: 2 hours
• Theory Standby time: 16 days-20 days
• Normal using time: 3-4 days
• Compability: Support Android 9.0 and above; for Apple IOS 10.0 and above
• Compability Software: Jring
• Multi-sport mode: Multiple sports modes