wan-ka K1 BT BT4.0 Sports Bracelet OLED Display Screen for IOS 6.0 Android 4.3 Above Smartphone Pedometer Sleep Monitor Sensitive Warning Sports Remind

Features:
You must connect phone through BT before use.
Only for IOS 6.0 Android 4.3 Above Smartphones.
Pedometer: Track daily activities, including steps, distance and calories.
Track sleep quality, monitor your sleep quality.
Sensitive warning can call you to get up at a certain time.
Sports Remind: When you did not do sport long time, bracelet will have free reminder, remind you to do some sports.
It is also a health partner, be ready to help you to do physical exercise at any time.
As a smartphone companion and sports partner, it is the best product for yourself and your friends.
Perfect design, convenient to take along.
Note:
When use the product, you must download the relevant APP and install it.