Stay active and comfortable with the Elastic Arm/Ankle Band for Fitbit Charge 6/5/4/3/2 Fitness Tracker. This adjustable sport workout strap from Bumove is designed to securely hold your Fitbit device on your arm or ankle during intense workouts or activities. The stretchable and sweat-resistant material ensures a snug yet breathable fit, allowing you to move freely without worrying about your tracker falling off. Whether you're running, cycling, or hitting the gym, this armband/ankleband keeps your Fitbit Charge tracker in place while providing a secure and comfortable wear. Compatible with various Fitbit models, including HR 3, 2, and 1, this versatile accessory is a must-have for fitness enthusiasts who demand both functionality and convenience.