This is a refurbished 6th generation 80GB (MB147J) model. It is a used item with basic functionality confirmed. The battery has been replaced with a new one. The HDD has been replaced with a refurbished 80GB one. (SMART diagnostics show it as new) Regarding the specifications of this model, it often cannot be charged with a non-genuine AC adapter with a larger capacity. Therefore, a genuine USB adapter will be included. Charging via connection to a PC is not a problem.