TELESIN Magnetic Master Grip Kit for iPhone 17 Pro Max Phone Camera Grip Standard Kit Built-in 3200mAh Battery - Wireless Charging - Graphene Case for iPhone Cooling - DSLR Style Grip Handle Holder

【Wireless Charging Built-in 3200mAh Battery】The professional master grip built-in 3200mAh battery and features fast wireless charging for extended shooting time. It powers your phone and another device simultaneously via a cable making it ideal for creators who demand reliable all-day photography. 【Graphene Case for Phone 17 Pro MAX Cooling】This Phone Case only compatible with Phone 17 Pro Max. Built-in 7600mm² graphene heat dissipation layer can effectively dissipate heat for your iPhone. Compared with the phone without heat dissipation case our graphene case has significantly improved the heat dissipation efficiency by 25%. 【Telesin Reef Color App Redefines for iPhone Imaging】The magnetic grip allows for continuous OTA firmware updates via the Reef Color App. Reef Color App integrates eight master-level filters effectively addressing the shortcomings of the original camera design providing professional parameter adjustments and continuous OTA hardware