請問有人知道sony這台機器是作什麼的?

Leader memory card for exclusive use of "the Hi-MD" Walkman which can copy image data of a digital still camera to "a Hi-MD" Walkman without using a PC
● I am connected with "a Hi-MD" Walkman and a USB cable (*1), and "a Hi-MD" disk can copy image data in supporting memory card
● It carries two slots corresponding to ten kinds of memory card (*2)（*3）
● I detect a disk residual quantity of the copy future before data copy start automatically（*4）
● Power supply supply is possible to "a Hi-MD" Walkman at the time of connection（*5）
● It is convenient for outdoor use by four small size & single 4 form dry cell drive
* I use a USB cable for exclusive use of a thing of attachment for one "Hi-MD" Walkman
* A conversion adapter for exclusive use of a thing of separate sale is necessary in the case of two memory stick / memory stick PRO/ memory stick Duo (※) / memory stick PRO Duo (※) /xD- picture card / Compact Flash / SmartMedia /SD memory card /miniSD card (※) / multimedia car doh ※ use
* Simultaneous use, mutual copying at media interval of a slot of each 3 are not possible
* Space capacity confirmation of four "Hi-MD" disk is possible in the main body of "Hi-MD" Walkman
* Charge of five "Hi-MD" Walkman is not possible. Please use the attached charge stands on the occasion of charge