Meet the GramoiPhone: an elegant Gramophone iPhone dock that not only holds your phone but also serves as an acoustic speaker for it. It amplifies your audio up to 3 times without needing any battery or electricity. Simply put your phone on the wooden dock to get started.
The GramoiPhone is compatible with iPhone XS Max, iPhone XS, iPhone X, and older models. It has a metal and wood construction and is completely battery free.[where to get it]