Heart Rate Monitor:Wireless Activity Tracker can monitor your heart rate every 15 minutes automatically , and the Test Data can Synchronize to the APP, it can show the State of your Heart Rate through phone APP.
Compatibility: Android smart phones with Bluetooth 4.0 and Android 4.4 or above system. IOS 8.0 and above system If the hand ring can not connect to the App, because the device has been connected to the bracelet Bluetooth, you must disconnect the device and the bracelet connection, and then let the bracelet with the App connection.
Sleep Monitor: Fitness Tracker Wristband can detect how long you sleep, and how long it is deep sleep. It also can detect the average heart rate when sleeping.Automatic sleep monitoring analyzes your sleep quality to help you improve your lifestyle
Other Functions:Sedentary reminder, GPS positioning,Calling Reminder,SMS reminder,Facebook,Twitter Reminder,Vibrating alarm,Anti-lost,Watch,Remote photo taking etc.
Suitable for universal car charger,Turns any vehicle power charger into an AC travel charger,Appearance black.

Technical Details

Product Details

Package Dimensions
Width : 3.5 inch
Height : 0.8 inch
Length : 6.5 inch

Shipping Weight: 3.04 ounce (View shipping rates and policies)

ASIN : B073WTL862