Bluetooth Smart Watch with heartrate, blood pressure and blood oxygen sensor & call function - 1.38" TFT Full Touch 240x240 screen display - Slim Design, 44,6 mm diameter - Bluetooth Voice Calling - Built-in heart rate, blood pressure and blood oxygen - Quick access to common-used menu - Notification Pop up - Push various clockface and Customize Own Design - Allow to answer or reject calls from your wrist - 100+ Multisport Training - Google Assistant and Siri assistant - IP67 Waterproof - ABS Case - Battery size: 210mAh - Usage time: up to 4 days - Standby time: up to 12 days - APP: Denver smart life plus