S2 Smart Wristband Heart Rate Monitor IP67 Sport Fitness Bracelet Tracker Smartband Bluetooth For Android IOS PK miband 2 color:white Built-in optical heart rate sensor

Built-in optical heart rate sensor

Tipo de cierre: Cremallera

Anti-lost warning

Bluetooth pairing name: X99

S2 Smart Wristband Heart Rate Monitor IP67 Sport Fitness Bracelet Tracker Smartband Bluetooth For Android IOS PK miband 2 color:white Built-in optical heart rate sensorDiggro 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