About this item Compatible Models: This case cover is specially designed for the Fit Pro 2021 charging case. Not compatible with PowerBeats Pro 2019 and Studio Buds 2021. (Charging case not included) Secure Lock Design: The case protector features a two-piece design with a safety lock function on the front. This lock secures the cover firmly, allowing you to open it with one click. You won't have to worry about the top cover opening accidentally and losing your Fit Pro while on the go. Carbon Fiber and TPU: The exterior of the shell is made of durable TPU material, while the middle consists of carbon fiber, which is five times stronger than steel. This composite material offers wear resistance, excellent toughness, and high strength. The TPU material also provides anti-aging, anti-scratch, and shock-absorbent properties, ensuring your Fit Pro is well protected. Support Wired Charging: The case cover allows for wired charging without the need to remove the Fit Pro case; it can be charge