HK8 Pro Max Ultra Unbranded Men 49mm AMOLED Screen Compass NFC Smartwatch Blood Pressure Fitness Watch for Android IOS 2023Size: 2.02 OLED Original ScreenMotherboard CPU :SF32LB551 (Si Che)Display Resolution: 2.02 inches OLED Original Screen 485*520Heart Rate Chip: Spreading Constant 1662Bluetooth: BT5.1Touch: Full Touch OLEDpedometer: SC7A20Battery: 380mAhAppearance size 49*44*14.4Charging mode wireless charging IC:9001(5V power supply mode)Waterproof IP68Shell material zinc alloy IMLStrap optional siliconeWatch color black, green, gray, yellow, orange, etcFunction and introductionCalls: Bluetooth calls are supportedThe music function can control mobile phone music and play music.Memory function 128MB 256MBHealth monitoring, sleep monitoring, heart rate, blood pressure, sedentary reminder, drinking water reminderThe 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 serviceSleep 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 assistantDial multi-dial switch, dynamic dial push dial customization,Supported versions: Android 4.4 and above and IOS8.0 and aboveAPP language: simplified Chinese; English; Persian; Arabic; French; German; Spanish; Portuguese; Russian; Thai; Polish; Italian; Japanese; Traditional Chinese; Czech; Turkish; Greek; Latin; Romanian; Dutch; Vietnamese; DanishFirmware 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