A cellphone couplable container assembly having a portable and reusable container operably configured to store liquid contents within an internal cavity while simultaneously retaining a cellphone or other similar electronic device magnetically selectively attached to the exterior of the portable container. In one embodiment, a plurality of magnets with ferromagnetic properties are disposed on the outer shell of the cellphone couplable container assembly and are proportionately shaped and sized to correspond to a cellphone magnet disposed on a user's cellphone. Additional protrusions may provide additional structural support for a more secure of the cellphone to the cellphone couplable container assembly.