This USB charging cable is designed for the Fitbit Inspire 2 and Ace 3 activity trackers. It is made of high-quality materials and is easy to use. The black color complements the sleek design of the Fitbit trackers and makes it easy to match with any outfit.Whether you're running or jogging, this USB charging cable makes it easy to keep your Fitbit tracker powered up and ready to go. It is an essential accessory for anyone who wants to stay on top of their fitness goals.