[Graphene Case for 17 Pro Max Cooling]This Phone Case only compatible with for 17 Pro Max. Built-in 7600mm² graphene heat dissipation layer can effectively dissipate heat for your Phone. Compared with the phone without heat dissipation case, our graphene case has significantly improved the heat dissipation efficiency by 25%. [Wireless Charging Built-in 3200mAh Battery]The professional master grip built-in 3200mAh battery and features fast wireless charging for extended time. [ Reef Color App Redefines for Imaging]The magnetic phone grip allows for continuous OTA firmware updates via the Reef Color App. [DSLR Style Ergonomic Design Magnetic Phone Grip]Enhance your mobile photography experience with for the phone camera grip, which offers DSLR-like balance and stability. The compact ergonomic finger-hook design enhances your handle and fits easily in your pocket or bag. [Retro Silicone Leather & Custom Fn Keys]The Master Grip is wrapped in high-quality vintage leather for a comfortable retro feel. Customize the Fn button through Reef Color App to easily switch between the dial functions. Color: As Shown Material: ABS+Aluminum Alloy Package Contents: 1 * mobile phone photography kit Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.