2021 New D19 Smart Watch

 D19 BT4.0 Smart Watch Sleep Monitoring Fitness Tracker Waterproof Bracelet Features: 1.3 inch TFT color screen with high sensitivity and single touch control, which can realize various operations. Support call and message notification, no important information will be missed. IP65 waterproof for daily life, multi-sport mode, suitable for outdoor sports. Automatically record daily movement step and calorie data. Support heart rate, blood pressure, blood oxygen monitoring, sleep monitoring function, when you fall asleep, it will automatically monitor the quality of sleep and record data on the APP. USB plug-in charging design, remove the wrist strap to plug in and charge, easy and convenient. Specification: Model: D18 Smart Watch Chip:Tel ink8266 Material: Silicone+PC Screen Size: 1.3inch TFT Memory：64kb+512kb Resolution Ratio: 240 x 240 BT Version: BT 4.0 Compatible OS: Andr