Daewoo Watch 4 Smartwatch:1.43″ AMOLED HD Full Touch Screen, BT Call, BT Music, Blood Oxygen, NFC, Lady Assistant, Always On Display, Double Button, IP68 Waterproof, 270 mah Battery, Siri Assistant

Compatible System: IOS / Android SystemFunction: Bluetooth calling, 11 menus choose, 200+ watchface, Breath training, custom watchface, stopwatch, brightness adjustment, multiple exercise modes, sleep, heart rate, messages, remote music control, remote camera control, weather, find phone (requires phone connection), Bluetooth music playback, password protection, calculator, split-screen display, quick widgets, weather, Female assistant, massager, GPS track, Voice assistant, Alarm clock, Flashlight, One time connect, Compass, Multi Games 、Multi off screen clock watchface, Ringtone setAPP Languages: Chinese, Traditional Chinese, English, Korean, German, Spanish, Japanese, French, Italian, Russian, Portuguese, Arabic, Ukrainian, ThaiDevice supported languages: English, Simplified Chinese, Traditional Chinese, Danish, Greek, Latin, Romanian, Turkish, Hebrew, Czech, Polish, Spanish, German, Russian, Portuguese, French, Japanese, Italian, Vietnamese, Korean, Arabic, PersianManual language (neutral, brand optional): Chinese, EnglishApp: WearproAndroid OS: Android 4.4 and aboveIOS: Apple iOS 10.0 and aboveHeart Rate Sensor: BD1662 Bluetooth: Dual Bluetooth 5.2Compass: SupportCraftsmanship: Zinc Alloy+IMLProduct weight: 25gScreen size: 1.43inch Amoled ScreenScreen Resolution: 466X466Screen type: Amoled ScreenScreen material: Tempered GlassTotal length of wristband: 210mmWristband material: TPUSize of watch body: 46.5*47*11.6mmSize of strap: 22MMBattery Type: Lithium BatteryBattery Mode: 402230 polymerBattery voltage: 3.8VBattery capacity: 270mAhBattery life: Normal use 3-5 days, power saving mode 15 – 25 days. (It depends on the usage in reality) Charging method: Wireless chargingCharging time: Less than 3hProduct Color: SilverCertification: ID, ROHS, Battery certification