HK8 Pro Max Ultra Smart Watch Men 49mm AMOLED Screen Compass NFC Smartwatch Blood Pressure Fitness Watch for Android IOS 2023 Size: 2.02 OLED Original Screen Motherboard CPU :SF32LB551 (Si Che) Display Resolution: 2.02 inches OLED Original Screen 485x520 Heart Rate Chip: Spreading Constant 1662 Bluetooth: BT5.1 Touch: Full Touch OLED pedometer: SC7A20 Battery: 380mAh Appearance size 49x44x14.4 Charging mode wireless charging IC:9001(5V power supply mode) Waterproof IP68 Shell material zinc alloy IML Strap optional silicone Watch color black, green, gray, yellow, orange, etc Function and introduction Calls: Bluetooth calls are supported The music function can control mobile phone music and play music. Memory function 128MB 256MB Health monitoring, sleep monitoring, heart rate, blood pressure, sedentary reminder, drinking water reminder The standby time is used for about 3 days in the normal state. Other functions pedometer, multi-exercise mode, sincere rate, blood pressure, blood oxygen, Alipay. Travel code, two-dimensional code collection, brush trembles, calendar, find mobile phone, flashlight, compass, background automatic update upgrade service Sleep monitoring, sedentary reminder, incoming call reminder, information reminder, stopwatch, Music control, playing Bluetooth music, photo control, anti-loss, alarm clock, Weather, APP dial push, support manual setting of time and date, Ai voice assistant Dial multi-dial switch, dynamic dial push dial customization, Supported versions: Android 4.4 and above and IOS8.0 and above APP language: simplified Chinese English Persian Arabic French German Spanish Portuguese Russian Thai Polish Italian Japanese Traditional Chinese Czech Turkish Greek Latin Romanian Dutch Vietnamese Danish Firmware language: Simplified Chinese English Persian Arabic French German Spanish Portuguese Russian Thai Polish Italian Japanese Traditional Chinese Czech Turkish Greek Latin Romanian Dutch Vietnamese Danish Specifications: Compass, accurate direction resolution, safe and reliable