ZORDAI ZD8 UltraPro 2023 Alloy Smart Watch 2.2" Bluetooth Call COMPASS NFC ECG IP68 Waterproof Sport Fitne Men For IOS Android Product specifications ModelZD8 Ultra proCompatible SystemIOS / Android SystemFunctionBreath training, dial push,compa, stopwatch, brightne adjustment, multi-sports mode, sleep, heart rate, information, remote music, remote photo, weather, search for mobile phones (connected to mobile phones), Bluetooth calls, Bluetooth music playback, paword protection, calculator, Split screen display, quick widgets, weather, maager, , my QR code,GPS tracking, NFC, ECG, blood oxygen, blood preure, AI voice aistantAPP supported languagesChinese, English, German, Ruian, Spanish, Portuguese, French, Japanese, Italian, Polish, Korean, Arabic, Persian, Thai, Vietnamese, Traditional Chinese, Greek, Romanian. Turkish, Hebrew, CzechDevice supported languagesEnglish, Chinese, Traditional Chinese, Danish, Greek, Latin, Romanian, Turkish, Hebrew, Czech, Polish, Spanish, German, Ruian, Portuguese, French, Japanese, Italian, Vietnamese, Korean , Arabic, PersianappZORDAIFlash size128mbAndroid OSSupports Android 4.4 and aboveIOSApple iOS 10.0 and aboveBluetoothDual Bluetooth 5.0Waterproof LevelIP68Craftsmanshipzinc alloy+IMLProduct weight48gScreen size2.2 inch retina screenScreen Resolution520*585Screen typeIPS full view color screenTotal length of wristband270mmWristband materialsilica gelPackage size210*112*24MMPacking size58*52*23CMBattery Typelithium batterybattery voltage3.7Vbattery capacity420mAhBattery life5-6 days for normal connection and 25-35 days for standby. (Connect to use depends on personal usage)charging methodWirele chargingCharging timeAbout 3 hoursWristband colororange,black,grayCertificationFCC ID, CE, ROHS, battery certification