D13 FITNESS BRACELET BLOOD PRESSURE BLUETOOTH HEART RATE MONITOR

Fitness Tracker: Pedometer, calorie counter, distance counter, sleep monitor (sleep time, sleep standard), heart rate monitor.
Multiple Movement Patterns: Real-time monitoring of movement states a number of steps.
Effectively protect the device from cold rain and splashes, you cannot use it in the shower or swim.
High-Resolution Large Color Touchscreen.
System Requirements:android4.4 and above, iOS 8.0 or above, support for Bluetooth 4.0
Bluetooth version: BLE 4.0
Chip: NRF52832
Screen:1.3 inch IPS color
Battery:100 mAh
Stand-by time: About 15 days
Working time: About 7 days
Waterproof level: IP67
Sensor: Three-Axis sensor/Greenlight active heart rate sensor