Firstsing Nrf51822 Heart Rate Blood Oxygen Pressure Sleep Monitor Waterproof IP67 Smart Watch for Android iOS

Bluetooth version: Bluetooth 4.0
Bluetooth working range: 6-10M
Waterproof: IP67
Screen Size: 0.87 inch
Screen type: OLED
Resolution: 160*68 pixel
Compatability:Android 4.3 / iOS 8.0 and above system
Heart Rate: Second generation
Battery Capacty: 80 mAh Lithium polymer battery
Available color: Black,Slate,Brown
Features:
24h all-weather monitoring/Second generation heart rate/Smart calories/Health tips/Health weekly report/Running plan/Speed and distance/Running route/Smart stopwatch/Social sharing/Screen lighted with hand raise/Sleep monitoring/Motion objectives/Smart step count/Smart notification/Non-motion alert/Smart alarm/Distance estimate/Search for mobile phone/bracelet/Swing snapshot/Blood pressure/blood oxygen measurement/Fatigue measurement/Sharp-time measurement/Battery indicator.
Alert type: Vibration
Case material: PC
Band material: TPU
Smart Watch is Have been subjected to international standards of IEC 60529 IPX7 and ISO 22810,reaching a waterproof grade of IP67,so that you can be assured of wearing in bath or rain,etc.,satisfying your need of wearing at any time and any place.