I don't know if it works because I don't have the main unit. POWER REPLAY for Wii. - Model Name: POWER REPLAY for Wii - Functions: Game save, music, video, podcast - Compatible devices: Wii Please note that this item is not a perfect product due to amateur storage. Please refrain from purchasing if you are looking for a perfect item. I would appreciate your understanding, as I have received complaints from people who did not read the description carefully in the past. *To prevent trouble, we do not accept returns or complaints after purchase.