S2 Smart Wristband Heart Rate Monitor IP67 Sport Fitness Bracelet Tracker Smartband Bluetooth For Android IOS PK miband 2 color:red 925 sterling silver

925 sterling silver

has no grain structure

It is water resistant and snows for outside uses

which catches your Phone firmly

thus eliminating interference and making the airflow more stable

S2 Smart Wristband Heart Rate Monitor IP67 Sport Fitness Bracelet Tracker Smartband Bluetooth For Android IOS PK miband 2 color:red 925 sterling silverDiggro S2 Smart Heart Rate Bracelet Sports Fitness Tracker Sleep Quality Monitor Call Notification reminder IP67 Waterproof for Android IOS Notes: 1. Be compatible for Android (Android 4. 3 or above and Bluetooth must be 4. 0 or above); for iphone (IOS7. 0 or above and Bluetooth must be 4. 0 or above) 2. App: Smart Wristband 3. IP67 Waterproof: Do not wear it while diving. The watch is waterproof when its lens and case are intact. 4. S2 will