KC82 smartwatch Bluetooth call heart rate blood pressure outdoor 1.45 inch men's altitude air pressure GPS watch

Bluetooth version: 3.0/5.2GPS chip: Loda AG3352BMain control chip: Ruiyu 8763EWEHeart rate.: three thousand six hundred and fiveBattery Capacity: 650mAh _ High Capacity High Voltage BatteryMemory: RAM_ 578KB+ROM_ 512MbStandby time: about 90 daysBattery life: about 7-10 daysCharging method: Magnetic chargingMotor: Built in vibration reminderWaterproof grade: 1ATMMaterial: Alloy+PlasticHand size: 56.9 * 52.8 * 14.3mmStrap width/material: 22mm/liquid silicone strap