Protect for Vision Pro Battery: The TPU case can effectively absorb and disperse external impacts due to its excellent flexibility, protecting for Apple Vision Pro battery from external hard impacts and scratches TPU Material: TPU has excellent abrasion resistance, which can maintain the integrity of the battery case even after long-term use or frequent friction, providing long-lasting protection for Apple Vision Pro battery Secure Fit: Its snug fit ensures that the power accessory remains securely encased, safeguarding it from daily wear and tear, impacts, and scratches Convenient Cords & Ring Holder: Features a hanging cord design allowing you to wear it around your neck or hang it on a hook. And convenient ring holder enhances portability, enabling you to carry or hang the device with ease Easy to Install & Remove: The battery TPU case is a very simple installation and removal mechanism. Without using any tools, you can easily put the battery cover on or take it off, and the installation and removal process will not cause damage to the battery