Waterproof Purple Smart Wristband Bracelet Fitness Tracker Health Monitor Heart Rate "Refurbished" Add elegance to your outfit

Add elegance to your outfit with this attractive Italian-crafted sterling silver box chain necklace

optional external TF card (up to 16GB max) or built-in 2GB memory

Vibration activates the skin surface

or workstation to control everything from your indoor temperature to printer

and advanced non-slip silicone

Waterproof Purple Smart Wristband Bracelet Fitness Tracker Health Monitor Heart Rate "Refurbished" Add elegance to your outfitAccurately record your all day activities and state of health, including steps, distance, calories, sleep status, blood pressure, heart rate and SpO2 with comprehensive analysis. Features: Basic Parameter C1S Bluetooth: 4. 0BLE Waterproof class: IP67 Compatible system: Android 4. 4 above, iOS 8. 0 above APP: "Da Fit" Main Functions Health Monitoring: Dynamic and static blood pressure, Dynamic and static blood oxygen, Dynamic and static heart rate,