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Batteries are not included because they are not needed. The Bone Horn Stand is an unpowered phonograph-inspired iPhone case and stand which amplifies your device’s sound up to 12 decibels, simply by channeling the audio through the horn.
The silicon-based amp slips over your iPhone like any other case, but gives it an audio boost and a dash of old-timey style in the process. The case’s design also allows the phone to lay comfortably in both horizontal or vertical orientations. It looks like it’s built like a brick, so I wouldn’t worry too much about dropping your phone when it’s equipped to the Bone. You can get your own gramophone-style iPhone amp for $25.
