Lonfine BT 4.0 Smart Watch Genuine Leather Starp Sync Call Music for iPhone 6 6S Samsung HTC IOS Android Smartphone Pedometer Heart Rate

Features:
You must connect phone through BT before use.
For IOS Android smartphones.
Heart Rate: It can help you calculate heart rate.
Pedometer: It can be adopted as a tool to avoid insufficient or excessive exercise by measuring calories or calories consumption based on collected date.
Voice control the menu.
As a smartphone companion and sports partner, it is the best product for yourself and your friends.
Perfect design, convenient to take along.
Note:
Before you use it, you must download APP.