About this item Compatible Models: The case cover is specially designed for the Fit Pro charging case. Not compatible with other models; charging case is not included. Secure Lock Design: This case protector features a two-piece design with a safety lock function on the front. The lock securely fastens the cover, allowing you to easily open it with one click, preventing accidental openings while on the go. Carbon Fiber and TPU: The exterior is made of durable TPU material, while the interior utilizes a carbon fiber composite that is five times stronger than steel. It offers excellent wear resistance, toughness, and strength. The TPU material provides anti-aging, anti-scratch, and shock-resistant properties, ensuring your Fit Pro is well protected. Support Wired Charging: This case cover allows for wired charging without the need to remove the Fit Pro case, but it does not support wireless charging. The front of the case features a visible LED indicator. Size: 5.31 x 4.96 x 1.93 inches.