B57 Smart Watch BT Fitness Tracker Support Notify/Heart Rate Monitor Sport Smartwatch Compatible IOS/Android Phones

Model:B57-A; Gender:Women,Men; Screen Type:OLED; Sensor:Heart Rate Sensor,Proximity Sensor,Gravity Sensor; Supported Operating Systems:Android 4.4 and iOS 8.0 or above; Connection:Bluetooth; Suitable For Phone Body Size:3535; Standby Time:200-250; Capacity:180; Type:Smartwatch; Material:Silica Gel,Chrome; Screen Size:1.3; Fitness & Wellness:Sedentary Reminder,Call Reminder,Chronograph,Pedometer,Community Share,Find My Device,Sleep Tracker,Activity Tracker,Calendar,Exercise Reminder; Charging Time:2; Compatibility:Android iOS; Item Type:Waterproof Smartwatch,Man Bracelet,Sport Smartwatch,Bluetooth Smartwatch,Tracker Bracelet,Outdoor Smartwatch,Android Smartwatch,Fashion Bracelet,Leather Bracelet,Touch Bracelet,Fitness Smartwatch,Fitness Bracelet; Water Resistance Depth:30; Waterproof Level:IP68; Features:Camera Control,Heart Rate Monitor,Sports,Long Standby,Smart,Touch Screen,Media Control,Message Control,Information,Waterproof,Exercise Record,Distance Tracking,Blood Pressure Measurement,Anti-lost,Calories Burned; Listing Date:08/22/2019; Production mode:Self-produce; Instructions:Chinese,English; Popular Country:United Kingdom