For iPhone 15 Pro Max Lambskin Texture Pure Color Flip Leather Phone Case(Red) Type-Laptop & Netbook Bag you can set the F1

you can set the F1 to F4 shortcut keys on the front panel

easy to take in pocket and light for phone photography or DSLR camera photography

Can be placed on any button

fill light: 3V

adding access control cards

For iPhone 15 Pro Max Lambskin Texture Pure Color Flip Leather Phone Case(Red) Type-Laptop & Netbook Bag you can set the F11. Made of PU leather and TPU material, it may work for a long time. 2. It adequately protects devices from the normal scratches, dirt, tear and wear. 3. Holder design makes horizontal viewing more convenient. 4. With card slots, wallet and lanyard, practical and functional. 5. Access to all ports and buttons easily without removing the case.