Product Overview
The Fitbit Charge 5 & 6 Infinity Accessory Band is an official Fitbit product designed for comfort and durability. Made with lightweight silicone, it is water and stain resistant, making it suitable for various activities including swimming and sleep tracking. The band features a secure loop and peg design to ensure it remains fastened during high-intensity workouts.

Image: Fitbit Charge 5 or 6 tracker with the black infinity band attached, showcasing its sleek design.
Band Installation and Removal
This section provides instructions for securely attaching and detaching the Infinity Accessory Band to your Fitbit Charge 5 or 6 tracker.
Attaching the Band
- Identify the two separate pieces of the Infinity Band and the Fitbit tracker.
- Align one end of the band with one end of the Fitbit tracker.
- Gently push the band into place until you hear a distinct "click." This indicates that the internal tab has engaged and the band is securely attached.
- Repeat the process for the other band piece on the opposite end of the tracker.

Image: The two separate components of the Infinity Band, ready for attachment.

Image: A hand demonstrating the attachment of the band to the Fitbit tracker, highlighting the secure connection.
Removing the Band
- Locate the small tab on the underside of the band where it connects to the tracker.
- Using your finger or fingernail, slide this tab to release the locking mechanism.
- Gently pull the band away from the tracker.
- Repeat for the other side if both bands need to be removed.
Wearing and Care
The Fitbit Infinity Accessory Band is designed for continuous wear and various activities. Follow these guidelines for optimal comfort and longevity.
Wearing Guidelines
- Secure Fit: The band features a loop and peg closure system. Ensure the peg is fully inserted into a loop hole for a secure fit, especially during high-intensity workouts.
- Water Resistance: The band is water resistant, suitable for wear in rain, during sweat, and while swimming. After exposure to water, it is recommended to dry the band and your wrist to prevent skin irritation.
- Comfort: Made from lightweight silicone, the band is designed for comfort during all-day wear, including sleep. Adjust the tightness to a comfortable level that allows for proper sensor function without being too restrictive.

Image: The band securely worn during a weightlifting exercise.

Image: The band maintaining a secure fit during a plank exercise.
Cleaning Instructions
- Regularly clean your band and wrist, especially after workouts or prolonged wear.
- Use a mild, soap-free cleanser and water to clean the silicone band.
- Rinse thoroughly and dry completely before reattaching to your tracker or wearing.
- Avoid harsh chemicals or abrasive cleaners, as these can damage the material.
Specifications
| Feature | Detail |
|---|---|
| Model Number | FB181ABBKL |
| Compatibility | Fitbit Charge 5, Fitbit Charge 6 |
| Material | Lightweight Silicone |
| Color | Black |
| Product Dimensions | 9.81 x 0.89 x 0.33 inches |
| Item Weight | 0.528 ounces |
| Water Resistance | Yes, suitable for rain, sweat, and swims |
Warranty and Support
For information regarding product warranty, troubleshooting, or additional support, please visit the official Fitbit support website or refer to the documentation included with your Fitbit Charge 5 or 6 tracker.
You can find more information and support resources on the Official Fitbit Store.





