Check the listing for details. New Fitbit Charge 2 Accessory Band, Large - Blue. Color: Blue, Condition: New. Listed at 8.00 USD. The New Fitbit Charge 2 Accessory Band in Large size and Blue color is a stylish and durable armband designed specifically for gym and training activities. Made of high-quality rubber material, this accessory band provides a comfortable fit while allowing for easy tracking of your fitness goals. With the trusted Fitbit brand and sleek blue design, this accessory band is the perfect addition to your fitness technology collection.