Operating System MemoHealth App
Special Feature Activity Tracker, Sleep Monitor
Connectivity Technology Bluetooth
Wireless Communication Standard Bluetooth
Battery Cell Composition Lithium Polymer
GPS No GPS
Shape Round
Style Classic
Color Sizing Kit
Additional Features Activity Tracker, Sleep Monitor
GPS Geotagging Functionality No GPS
Water Resistance Level Water Resistant
Supported Application Sleep Monitor, Activity Tracker
Metrics Measured Sleep Duration, Activity Tracker
Style Name Classic
Battery Cell Type Lithium Polymer
Battery Average Life 7 days
Compatible Devices Smartphone
Compatible Phone Models Compatible with iOS and Android devices
Target Audience Unisex Adults
Model Number B0FRFVFY9V
Wearable Computer Type Smart Ring
Manufacturer BAI YI HOLDINGS (HONG KONG) CO., LTD
Warranty Description 1 Year Warranty
Wireless Compability Bluetooth
Warranty Type Standard
Item Length 1
Item Height 1
Item Width 1

Check the listing for details. Sizing Kit 1.0, Size Before Buying the Smart Ring, 9 Sizes from Size 6-14,. Color: Sizing Kit, Condition: New with tags. Listed at 3.83 USD. [Non Standard Size System] Unlike standard rings, Smart Ring features internal sensors, requiring a unique sizing approach. The ring should sit flush against skin without spinning; test sizes with the gauge kept tightly wrapped.

$3.06
$3.83