About this item

• Compact and intelligent design for comfortable everyday wear
• Advanced health monitoring capabilities, including heart rate, sleep patterns, and activity tracking
• Long battery life with convenient wireless charging
• Seamless smartphone app integration for detailed health and activity analytics
• Available in multiple finishes and sizes for personalized style
  

  Operating system	Android
  Special feature	Heart Rate Monitor, Activity Tracker
  Connectivity technology	Bluetooth
  Wireless communication standard	Bluetooth
  Battery cell composition	Lithium Polymer
  GPS	No GPS
  Shape	Round
  Brand	OURA
  Model name	Oura Ring 4
  Style	Modern

  Additional details

  Operating System	Android
  Product Features	Heart Rate Monitor, Activity Tracker
  GPS Geotagging Functionality	No GPS
  Band Material Type	Silver
  Case Material Type	Titanium
  Water Resistance Level	Water Resistant
  Human Interface Input	Unknown
  Supported Application	Third-party applications
  Water Resistance Depth	100 Metres
  Supported Satellite Navigation System	GPS
  Controller Type	Ring
  Metrics Measured	Combination of Accelerometers, Optical Heart Rate Sensors, and Other Sensors
  Closure Type	Slip On

  Style

  Shape	Round
  Style Name	Modern
  Colour	Silver
  Band Colour	Silver

  Connectivity

  Connectivity Technology	Bluetooth
  Wireless Compability	Bluetooth
  Communication Feature	Bluetooth

  Measurements

  Item Weight	180 Grams
  Item Dimensions	27 x 27 x 7 millimetres
  Item Dimensions D x W x H	27D x 27W x 7H millimetres

  Item details

  Brand Name	OURA
  Model Name	Oura Ring 4
  Target Audience	Adult
  Age Range Description	Adult
  Model Number	JZ90-54217-10
  Box Contents	Information Booklet, Oura Ring 4, Oura Ring 4 Charger, Quick Start Guide, USB-C Cable
  Product Warranty	3 year manufacturer warranty
  Wearable Computer Type	Smart Ring
  Manufacturer	Oura

  Battery

  Battery Cell Type	Lithium Polymer
  Battery Average Life	8 days
  Battery Charge Time	80 minutes

  Display

  Display Type	No Display

  Compatibility

  Compatible Devices	Smartphone, Tablet
  Compatible Phone Models	[Broad range of smartphone models]

  Memory & Storage

  RAM Memory Installed	16 MB

  User guide

  Warranty Type	Standard/Full

  Warranty & Support

   5-Years Warranty