F28 Bluetooth call smart watch

Compatibility: Android/IOSShell material: zinc alloy platingScreen size: 1 63 inchesWristband material: siliconeWaterproof level: life waterproofBluetooth: Bluetooth 5.2Charging method: magneticBattery capacity: 200mAHHeart rate detection: manual\automatic detectionStandby time: 5daysBracelet color: black/silver/gold/red/blueAccessories: bracelet, wrist strap, manual, charging cableFeatures:Multi-sports mode tracking, heart rate/blood pressure/blood oxygen monitoring, stress test/respiratory monitoring, dialing, ook call information reminder, sleep monitoring, search for mobile , alarm clock, remote camera, sedentary reminder, stopwatch, blood pressure and heart rate monitoring, brightness adjustmentSupport OTA upgrade, rich personality dial, 3 sets of UI scheme switching...Support language:Simplified Chinese, English, French, German, Spanish, Italian, Russian, Czech, Portuguese, Turkish, Greek, Latin, Vietnamese, Danish, Polish, Dutch, Romanian, Arabic