T68 Plus high end 1.69 inch large screen smart watch with youth design,multi function including real heart rate,blood pressure,blood oxygen,sleep Main Features: Support bluetooth calling.  Upgraded smart watch:1.69-inch full-touch high-definition screen with 240*280 resolution. Precision fitness tracker watch supports 11 sports modes. Heart rate, blood pressure, blood oxygen sleep monitoring. Waterproof fitness watch and durable battery. Android IOS phone smart watch, support social software: SMS/QQ/WeChat.