1. Connect well to your Fitbit Charge 3 Heart Rate Fitness Wristband, with stronger design for a longer lasting product lifespan through the USB connector into your wall charger, car charger or computers. 2. This spare charging cradle snaps easily. Make your Smart Watch charging become more convenient. 3. The replacement of damaged or lost charger cable. 4. You can always charge you tracker in the office,at home or in travel. 5. Only for Fitbit Charge3, not for other models
