The Strike Alpha iPhone 15 Pro Max Wireless Charging Car Phone Holder for OtterBox Fre Case DIY is your versatile mounting solution for on-the-go convenience and connectivity. Dock your iPhone 15 Pro Max in the mount for automatic charging, even with the OtterBox Fre Case on. This iPhone 15 Pro Max wireless charging auto phone holder can be easily installed in your vehicle, home, or office, and offers signal boosting when paired with an antenna.