Smart Bracelet Fitness Tracker Waterproof Heart Rate Blood Pressure Fitness Bracelet Smart Watch Blazer Fashion One: The Dingdong machine and

One: The Dingdong machine and the doorbell receive and send signals (433MHz)

Size: 45*45*58CM (length * width * height)

so it is not included in the parcel

and touch the receiver to wake it up

if you don't know how to choose size

Smart Bracelet Fitness Tracker Waterproof Heart Rate Blood Pressure Fitness Bracelet Smart Watch Blazer Fashion One: The Dingdong machine andOverview: 100% brand new and high quality. Color screen display, clear to see even under sunlight. Sports and health: Sports step (3D sensor), calorie consumption, exercise distance, pedometer. Support Dynamic Heart rate, Blood Pressure, Blood Oxygen monitoring. Support call reminder and message reminder. Specification: Applicable platform: Fully compatible Applicable people: adult, mass, fashion, business, old people Screen size : 0. 42 Material :