55mm Case Diameter
Compatible with smartphones running Android versions 4.3 and later and iPhones 5 and beyond running iOS 8.2 or above (limited functionality with iPhone)
Built-in quad sensors provide real time notification of activity tracking, altimeter, barometer, and compass readings without the need for a phone

Technical Details

Product Details

Product Dimensions

Package Dimensions
Width : 6.8 inch
Height : 4.3 inch
Length : 9.1 inch

Item Weight: 3.36 ounce (View shipping rates and policies)
Shipping Weight: 11.2 ounce (View shipping rates and policies)

ASIN : B01CY1QXR6