Provided is an extensible device capable of switch, control, power and connection. Each extensible device includes a signal receiving device adapted to receive control signal and electrically connected to a small power source to control the small power source. The small power source is power-connected to an extensible structure. The extensible structure includes a transmission gear train whereby a massage device, coupled with one reinforced motor, controllably effects a plurality of massage techniques in conjunction with the at least an extensible device.