| Name | E400 Smart Watch |
| APP name | H Band |
| CPU chip | low power consumption GR5515, PPG sensor chip SFH2201 |
| ECG chip | TYHX3220, blood oxygen chip GH3220 analog front end + SFH2201 |
| Gravity acceleration sensor | Rohm KXTJ3-1057, heart rate green light PPG |
| Battery | 280mAH (Seiko protective plate polymer pure cobalt battery) |
| Display | 1.39-inch 360 x 360 high-definition touch screen |
| Bluetooth-compatible | Bluetooth-compatible 5.1 (compatible for Android5.0 above, compatible for IOS9.0 above) |
| Waterproof | IP68 level, touch full touch screen (full lamination screen) |
| Shell material | alloy metal + plastic, strap environmentally friendly TPU strap / leather strap |
| Charging method | USB magnetic suction 2pin charging cable (with protection) |
| Health monitoring | sleep monitoring, heart rate, blood pressure, sedentary reminder, drink water reminder, blood oxygen, blood sugar |
| Sports step counting | sports steps, sports mileage records, calorie consumption, multiple sports modes. Motion trajectory (displayed by mobile phone APP) |
| Standby time | 30 days of standby, 4-7 days of daily battery life. |
| Life assistant functions | mute alarm clock, remote camera, music control, sedentary reminder, drink water reminder, weather display, raise the wrist to brighten the screen, call reminder, SMS reminder, countdown, shake to take pictures, mobile phone search, etc. |
| WeChat campaign | follow the official account, share and sync to WeChat campaign |
| APP language | Chinese (simplified, traditional), Korean, Japanese, English, German, French, Italian, Spanish, Portuguese (Portugal), Russian, Hungarian, Turkish, Indonesian, Polish, Czech, Greek Chinese, Swedish |
| Firmware languages | Russian, Hungarian, Turkish, German, Italian, Czech, Slovak, Japanese, French, Polish, Persian, Simplified Chinese, Traditional Chinese, English, Portuguese, Spanish, Vietnamese , Arabic, Korean |
| Product color | 5 colors (TPU strap black, red, blue) (leather strap |
| Watch size | 260 x 44 x 12MM (length, width and height) |
| Packing size | 172 x 97 x 33MM |
| Weight | Body 55g (including strap) whole machine 170g |
| Packing list | 1 X Smart Watch 1 X Charging Cable 1 X Ecg Stand Set (Optional) 1 X Instruction Manual 1 X Packing Box |
