| Model name | HD8 watch ultra |
| Flash memory | 128M |
| Touch IC | CST820 |
| Bluetooth calling | Bluetrum AB5681 |
| NFC | support |
| Heart rate | HX3602 |
| Charging way | Wireless charging |
| Charging time | about 4 hours |
| Intelligent reminder | Call, SMS, Email, wechat, QQ, Facebook, Twitter, WhatsApp, LinkedIn, Instagram, Messenger, Snapchat, Line, Kakao Talk, Viber, Skype, telegram |
| functions | 3D menu, SOS function, OTA, shortcut bar (control centre), data (pedometer, distance, calorie), heart rate, blood pressure, blood oxygen, sleep, lift wrist to light up the screen, weather, WeChat movement, information, reminder (message, drink water, sedentary, alarm), women's health, stopwatch, countdown timer, find mobile phone, find bracelet, shake to take a picture, dial switching, music control, settings (language selection, Brightness Adjustment, Brightness Duration, Vibration Settings, Restore Factory, Version Information), Switch Logo, Component (Function Edit), Passcode Lock, Breathing Exercise, Exercise, Exercise History, Do Not Disturb Mode, Power Saving Mode, Low Battery Reminder, Voice Assistant (SIRI), Calling Functions, Frequently Used Contacts, Phone Dialpad, Split Screen (Sidebar), Flashlight, Payment Codes, Scanning Code Connections, Business Cards ( Make Friends), Calculator, Engineering Test Mode & Shipping Mode, Calendar, Alipay Payment, Wenxin Yiyi, AI Dial, Experience Game, Map Navigation, Short Video Control, Compass. Raise the wrist to light the screen, alarm clock reminder, remote control photo, find the phone and so on |
| Sport mode selection | Walking, running, mountaineering, cycling, jumping rope, basketball, badminton, football, yoga +1 is used as the push movement mode |
| APP support languages | English, Chinese Simplified, Chinese Traditional, German, French, Arabic, Czech, Greek, Spanish, Japanese, Farsi, Italian, Korean, Dutch, Polish, Portuguese, Russian, Finnish, Swedish, Thai, Hungarian, Slovak, Croatian, Albanian, Turkish, Ukrainian, Hindi, Vietnamese |
| Firmware language | Chinese, English, Russian, Spanish, German, Italian, French, Portuguese, Polish, Dutch, Turkish, Japanese, Chinese (Traditional), Arabic, Farsi, Hebrew Ukrainian Vietnamese Thai, Czech |
