An adjustable stand, for supporting a device having a lateral surface defining a number of recessed portions, includes a base, a rotating frame, and two connecting axles. The rotating frame includes a chassis and two opposing arms extending arcuately and upward from the chassis, wherein the chassis is rotatably connected to the base. The two connecting axles are rotatably connected to the two opposing arms, respectively. Each of the two connecting axles includes at least one elastic protrusion fitting into one of the plurality of recessed portions, and connecting the device to the two connecting axles, wherein the at least one elastic protrusion is able to deform to allow the device to rotatably connect with the two connecting axles.