You don’t need a fancy, expensive speaker to amplify the sound coming out of your phone. The Bone Horn Stand is an acoustic amplifier that increases your phone’s sound output by up to 13dB with no electricity. It supports portrait and landscape orientations.
This iPhone stand is made of silicone. It is designed to work with iPhone 11 Pro Max all the way to iPhone 6s. Users can charge and use their phone at the same time.[where to get it]