The AA External Battery Pack Case for SONY MD MiniDisc Walkman MZ-R900/ MZ-N710/MZ-E50/MZ-E77 etc is a black external AA battery battery pack designed specifically for the Walkman product line. This power pack allows users to extend the battery life of their portable audio devices, providing a convenient and reliable power source for their MiniDisc players. Easy to use and compact in design, this external battery pack ensures that users can enjoy their favourite music for longer periods without worrying about running out of battery. Perfect for on-the-go use, this product is a must-have for any music lover looking to enhance their listening experience.
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