M4 Smart band 4 Fitness Tracker Watch Sport bracelet Heart Rate Blood Pressure Smartband Monitor Health Wristband PK mi band 4
Technical Details
| Application Age Group: | Adult |
| Band Detachable: | Yes |
| Band Material: | Rubber |
| Brand Name: | Huifen |
| Case Material: | Rubber |
| Color: | Black,Red,Blue |
| Compatibility: | All Compatible |
| Feature: | Smartband Sport Bracelet Watch intelligent |
| Function: | Speed Measurement |
| How to charge: | Connect to the computer USB port to charge |
| Language: | English |
| Model: | M4 Smart Wristband |
| Package: | With Retail Package |
| Screen Style: | Rectangle/Square-shape |
| Screen Type: | Color LCD |
| Style: | Sport |
| Touch Screen: | No |
| Waterproof Grade: | Life Waterproof |
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