M4 Smart Bracelet Heart Rate Monitor Smart Band

Features:
*High sensitive touched screen. It can monitor your steps, mileage, Calories, and heart rate in real time. Supports sleep monitoring as well.
*With a built-in motion sensor, real-time heart rate monitoring helps you keep fit and healthy.
*Easy to use and charge.
*With IP67 waterproof performance, you can wear it to wash hands, face and short time swim in shallow water.
*Supports call reminder and information push, never miss any important information.
Notes:
1. Please do not deep dive with or shower touch hot water with your wristband.
2. The smart band is not for medical use, just for reference only.