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	Activity Tracker
  Battery capacity	28800 milliamp_hours
  Connectivity technology	Bluetooth
  Wireless communication standard	Bluetooth
  Battery cell composition	Lithium Polymer
  GPS	No GPS
  Shape	Round
  Brand	OURA
  Model name	Oura Ring 4 – Black – Size 10

  Additional details

  Operating System	Android
  Product Features	Activity Tracker
  GPS Geotagging Functionality	No GPS
  Band Material Type	titanium
  Case Material Type	Titanium
  Water Resistance Level	Waterproof
  Sport Type	Multi-Sports
  Human Interface Input	Buttons
  Supported Application	Oura App
  Water Resistance Depth	100 Metres
  Supported Satellite Navigation System	GPS
  Controller Type	Gesture Recognition / Biometric Sensors
  Metrics Measured	Sleep, activity, stress, heart rate, women’s health
  Closure Type	Ring

  Style

  Shape	Round
  Style Name	Minimalist
  Colour	Black
  Band Colour	Black

  Connectivity

  Connectivity Technology	Bluetooth
  Wireless Compability	Bluetooth
  Wireless Provider	Unlocked
  Communication Feature	Bluetooth

  Measurements

  Item Weight	0.11 Kilograms
  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 – Black – Size 10
  Target Audience	Unisex Adults
  Age Range Description	Adult
  Model Number	JZ90-54144-10
  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
  Unit Count	1.0 count
  Global Trade Identification Number	06430060153189
  Manufacturer	Oura

  Battery

  Battery Capacity	28800 milliamp_hours
  Battery Cell Type	Lithium Polymer
  Battery Average Life	8 days
  Battery Charge Time	80 minutes

  Display

  Display Type	No Display

  Compatibility

  Compatible Devices	Smartphone
  Compatible Phone Models	Many smartphone models (Bluetooth enabled)

  User guide

  Warranty Type	Lifetime

  Warranty & Support

   5-Years Warranty