* Type: RMT-CX9 * Requires 2x AAA batteries (not included) * If the remote for your speaker is inconsistent despite using it at close range and changing the power source, there is likely to be a hardware problem with it. This remote control can replace a worn or damaged remote and restore your ability to control your speaker from a comfortable distance. Suitable for select Sony models. Please check the suitable model fit list to ensure that this is the correct part for your appliance. Specification: