K2 smart watch,IP68 waterproof,heart arate&blood pressure&blood oxygen

Specification

Chipset: NRF52832
Memory: 64K(Flash 512K)
Screen: 0.95 OLED colorful display
Battery: 200mAh
Standby: 30 days
Usage time: 10~15 days
Band: Changeable 20mm strap
Waterproof: IP68
G-sensor: Yes
Bluetooth: BLE 4.0
Device size: 41mm*47mm*10mm
Color: Black&Red; Black&Grey; Black&Blue; Silver&Green 

Function

Heart rate detection/Blood oxygen detection / Blood pressure detection;
Time display,Pedometer,Calorie,Consumption,Distance Calculation;
Sleep monitor:Sleep time ,Sleep quality;
Incoming calls reminder,SMS Reminder,Third-party messaging reminder(Multilingual push);
Anti-lost function (Overtop the working connection distance between the mibile phone and bracelet will give the reminder);
Alarm clock,Task Reminder (Sedentary reminder /Drink water reminder);
Synchronous data to APK/APP