M4 Smart Wristband Fitness Bracelet Waterproof Fitness Smart Band Heart Rate Activity Bracelet PK Mi Band 3 Mi Band 4
Technical Details
| Application Age Group: | Adult |
| Band Detachable: | Yes |
| Band Material: | Silica |
| Brand Name: | NoEnName_Null |
| Case Material: | Plastic |
| Compatibility: | All Compatible |
| Function: | Speed Measurement |
| Language: | English |
| Model: | M4 Smart band 4 Fitness Tracker |
| Screen Style: | Rectangle/Square-shape |
| Screen Type: | Color LCD |
| Style: | Sport |
| Touch Screen: | Yes |
| Waterproof Grade: | Life Waterproof |
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