About this item Compatibility: ONLY compatible with Fit Pro (2021). Attention: Not compatible with Powerbeats Fit (2025). [Safety Lock design]: The design of the safety lock ensures that your headphones are securely secured, while the excellent protection defends the Fit Pro from scratches, scuffs, and slight drops. [Quality materials]: The exterior of the protective case is made from high-quality, non-yellowing PC materials, providing excellent protection while enhancing your overall experience. The non-yellowing material keeps your earbuds looking crystal clear, and the lightweight, durable design adds an extra layer of convenience. [Multifunctional cleaning pen]: Convenient 3-in-1 design, the cleaning pen tip is made of metal, which can clean small holes in earplugs, deeply clean gaps, and remove stubborn dirt. A soft microfiber brush under the pen tip easily brushes off small parts of the headset surface. This cleaning pen meets the cleaning needs of many occasions and is applicabl