F8 Bluetooth Smart Watch Heart Rate Monitor Calories Fitness Tracker Alarm Clock IP67 Waterproof Sports Bracelet green

Description

1.3inch TFT display, simple and stylish design style, soft and comfortable strap.Built-in 170mAh battery, perfect gift for Christmas, Birthday, Thanksgiving day, etc.Real time heart rate monitor, you can adjust your lifestyle for better heart health. The humanized silent vibration remind can wake you up without disturbing others.