Basic audio i.e. MPEG-1 audio layer 3 file, reader device for e.g. toddler, has audio reader possessing controls, and storage medium with memory cartridge whose capacity at level of program is equal to that of compact disk

摘要

The device has an audio reader possessing simplified controls and different connections. A storage medium includes a removable memory cartridge whose capacity at the level of musical program is equivalent to that of a compact disk. The cartridge is placed at a location of the device, and includes different aspects such as color and shape. Content is pre-recorded on the cartridge and transferred via universal serial bus, where the device is supplied by a standard battery or dry cell.