The USB-Charger for Jawbone Bracelet is a portable and efficient charging power cable made of durable rubber material in a sleek gray color. Designed specifically for Jawbone models, this charging cable is compact with dimensions of 4" length, 3" height, and 1" width. It comes with a magnetic feature for easy and secure connection, making it suitable for gym training and other fitness activities. The cable is compatible with Fitbit and offers a manufacturer warranty of 1 month, ensuring quality and reliability for your fitness tracking device.