y6 pro smart watch fitness tracker heart rate blood pressure oxygen waterproof sports smart watch bracelet for android ios

y6 pro smart watch fitness tracker heart rate blood pressure oxygen waterproof sports smart watch bracelet for android ios.parameters:.model:y6 pro.​app name: hey band.bluetooth version:4.0 ble.waterproof level: ip67 life waterproof.display screen: 1.3'inch colorful tft display (tempered glass material).battery:type: polymer lithium battery.battery capacity: 200 ma.charging time: about 2.5 hour.working hours: 3-7 days.standby time: about 7-10 days.material:zinc alloy +silicone/milanese steel bel