Xiaomi MI Band 2 Fitness tracker,
With Heart Rate Monitor,
OLED Display with touch button,
Activity Tracking.
Sleep Tracking, Calls,
TXT, Email Alerts,
IP67 Splash Resistant,
up to 20 days battery life
Compatibility
Devices with Android 4.4, iOS 7.0 or above with Bluetooth® 4.0 support
https://www.aliexpress.com/item/Original-Xiaomi-Miband-2-Mi-…