HK10 Ultra3-WF is the newest upgraded version of HK10 Ultra 3. It come with WiFi connection. supports Bluetooth calls, and no support SIM Card.*Note: The WiFi function is only available for apps that are installed on the watch and apps that are supported in the phones Wearfit pro (such as Online Watch Faces, Online Wallpapers, Online Games, Personalized Ringtones, App Market, Online ChatGPT).*Tik Tok (Logging in to a personal account is not supported)*For more APP functions, please wait for Wearfit pro to update the app market!Parameterscreen size: 2.02-inch full screenscreen material: AMOLED Screenscreen resolution: 485*520, 90GHZ high brushG-sensor: G-sensor dialsWatch size: 49*44*12mmBluetooth: Bluetooth 5.3Built-in chip: newest SF32LB567ROM: 2GBSpeaker: New upgraded 1508 high powerpedometer sensor: SC7A20HHeart rate sensor: zhanheng1688Waterproof level: life waterproofCharging type: Magnetic wireless chargingBattery capacity: 270mAh (high voltage)Menus style: 6 kinds of menus styleSupport: Android 5.0 and above & iOS 10.0 and aboveAPP: Wearfit Pro (Connect watch to mobile phone)Main watch features:One click connection: Supports one click connectioncommunicate by telephone: Supports Bluetooth callsWIFI Online features: Tik Tok, Online Watch Faces, Online Wallpapers, Online Games, Personalized Ringtones, App Market, ChatGPTAI watch face,: AI artificial intelligence generates a dial! Generate any dial you want in one sentence, supporting multiple languages (Simplified Chinese,English, Russian, Japanese, Korean, Vietnamese, German, Thai, French, Arabic).AI photo album: AI photo albums, keep the AI watch faces you generated.AI translation: convenient, fast and fast voice translation.Music function: Can play music locally.TWS Bluetooth earphones: Support the bracelet to connect with TWS earbudsMemory function: 2GBDial: Multiple dial switches, dynamic dial push dial customization.Tik Tok: (Logging in to a personal account is not supported)APP market: Multiple applications, games available for downloadOnline ChatGPT: A truly intelligent AI creative helper that leads the entire industry!E-book: Support the bracelet to read TXT e-booksLocal photo albums:You can customize and upload photos to the bracelet.Other watch featuresWifi connection, Online ChatGPT, Tik Tok(Logging in to a personal account is not supported), Online Watch Faces, Online Wallpapers, Online Games, Personalized Ringtones, Online App Market, New Gravity-sensing dial, New Ui design, New 3D menu style, Support 12/24 hours time format(setting in Wearfit Pro), Local music, Connect to TWS earphone, Photo Album, Sound recording, Calendar, Ai watch face, Gesture touch control, , Real Compass, Heart rate, Blood pressure, Blood oxygen, Sports, Sleep monitoring, Pressure, Activity record, Bluetooth calls, Message notification, Voice assistant, Weather, Alarm clock, Stop watch, Breathing training, Timer, Find phone, Alipay, respiratory rate, short video control, Camera control, Notification setting, Beside clock mode, Active wrist wake-up, Do not disturb mode, screen off time ,NFC door access, screen off watch face, Brightness adjustment ...Note After receiving the watch, it is recommended to charge the watch first.Please scan the QR code in the manual to download the APP before use.Please download APP firstly, and bind the watch, Do not use the mobile phone Bluetooth to directly link the watch. If it is already connected, please delete the matched watch from the mobile phone Bluetooth matching device.NFC door access ( It doesnt support NFC Payment ) : The watch has a built-in NFC chip, there is no NFC software icon on the watch, you only need to use the watch as an NFC access control card, record the NFC ID of the watch through the access control system, and then the watch can be used as an NFC access control card.(1). The NFC of this watch only supports as IC door cards with a frequency of 13.56MNZ (applicable to 80% on the market), does not support other functions.(2). The fingerprint lock enters the administrator mode-add-card-write.(3). Encrypted access control of the community needs to be written in the community property management office.Waterproof: It is just life waterproof allow the watch to be used normally when washing hands and in rainy days, but not allow to swimming and bathing. It is not allowed to soak the watch in water! (Please be careful to avoid corrosive liquids like hand sanitizer, soap enter the watch and cause component damage.)Sensor light: The watch itself has only 3 sensor lights, if only 3 sensor lights are on, it is normal.Please use the original charging cable of the HK10 Ultra 3 to charge the watch, other models of cables cannot support charging.Please use a 5V1A (5W max) power adapter to charge the watch, otherwise the watch may not charge!