Huadai HD4
APP: DFit;
Main chip CPU: JL7012A6S;
Local music: 4GB RAM;
Screen type:AMOLED;
Screen: 1.43 inch; 466*466;
| APP | RDFit |
| Main chip CPU | JL7012A6S |
| Compatible systems | ISO 12.0 and above, Android 6.0 and above; |
| Flash Memory | RAM:640KB FLASH expansion 32Mb/ 64Mb/ 128Mb/ 256Mb |
| Local music | Has 1Gb of RAM |
| Screen type | AMOLED |
| Screen size | 1.43 inch |
| Resolution | 466*466 |
| Touch screeen IC/ Type | CST816D/ G+F |
| Bluetooth chip | Jelly JL7012A6S |
| Bluetooth | BLUE5.1 |
| WIFI | none |
| NFC | YES |
| Acceleration sensor gsensors | SC7A20E |
| ECG | none |
| Heart rate | HX3602 |
| GPS | none |
| Body temperature | none |
| Battery type | Lithium polymer battery |
| Capacity | 350mAh??552125?? |
| Charging method | Wireless charging |
| Sports | Step counting, calories, distance, exercise mode |
| Health | Sleep, female assistant, heart rate, blood pressure, blood oxygen, etc |
| Smart reminder | Sedentary reminder, drinking reminder |
| APP watch face library | 500+ |
| Others | Raise your wrist to light up the screen, alarm clock reminder, remote control to take photos, find mobile phones, etc |
| Sports data | Distance, calories, steps, real-time heart rate, exercise time |
| Motion mode selection | There are 120 kinds of indoor walking, outdoor walking, outdoor running, indoor running, mountain climbing, table tennis, basketball, football, badminton, yoga, swimming, cycling, trail running, half horse, full horse, jump rope, ice skating, gym, tennis, etc |
| Waterproof level | IP68 |
| Charging time | 3H |
| Battery life | 7 days |
| Standby power consumption | Average 320uA (without Bluetooth) |
| Charger Specifications | DC 5V |
| Firmware language | Chinese, English, Russian, Spanish, German, Italian, French, Portuguese, Polish, Dutch, Greece, Turkey, Romania, Japanese, Traditional, Hebrew, Danish, Serbian,Swedish, Czech, Slovak, Hungarian, Arabic, Indonesian, Korean, Vietnamese, Thai, Farsi, Ukrainian, Latin, Malay, Burmese, Finnish, Hindi, Croatian |
| APP language | Chinese, English, Russian, Spanish, German, Italian, French, Portuguese, Polish, Dutch, Greece, Turkey, Romania, Japanese, Traditional, Hebrew, Danish, Serbian,Swedish, Czech, Slovak, Hungarian, Arabic, Indonesian, Korean, Vietnamese, Thai, Farsi, Ukrainian, Latin, Malay, Burmese, Finnish, Hindi, Croatian |