Battery Case for iPhone 12 Pro max , Enhanced 4500mAh Smart Rechargeable Portable Protective Charging Case Extended Battery Backup Pack Compatible with iPhone 12 pro max  (6.7 inch) Charger Case (Black)      
BrandFOCUS 
ColourBlack
Form factorBumper
Compatible phone modelsIPhone 12 pro max 
MaterialRubber, Polycarbonate
??? SYNC & Portable Built-in 4500mAh, add extra 150% backup battery for iPhone 12 Pro Max wherever you need it. Perfect for traveling, camping, business trip or other outdoor occasions. Thin and fit your hands well. Easy to carry.
??? Upgraded design,The high-capacity charging case can be extended for your iPhone 12 Pro Max, and you can keep in touch with your family or friends anytime, anywhere.
??? Enjoy Music,Calling-(NOTE: please charge the battery case first before you use it to charge your iphone.)This iPhone 12 Pro Max battery case is compatible with iphone Lighting Headphone,which enable you to listen to music or make a phone call through the case while charging your iphone !
??? 4 LED POWER INDICATOR : This iPhone 12 Pro Max battery pack the features of 4 LED battery level indicator letting you know exactly the power you have (25%--50%--75%--100%); besides, you could switch on/off the battery case with the power switch button on the bottom.
??? Warranty and Support: Euhan's 7*24 online support standing by, worry-free 100% money-back guarantee, 1-Year Replacement Warranty and life-time technical supporta