SONY Walkman Cradle BCR-NWH10 for NW-ZX2/ZX1/A10/F880 from Japan Even during playback, it can be charged Walkman in the AC adapter (included) In connection with the personal computer, content can be transferred to the Walkman Even in a cradle connection, allows the use of headphones Power supply (AC adapter): DC 5 V (AC100 ~ AC240 V (50 / 60Hz) compatible) Japanese manual URL (PDF):http://www.sony.jp/ServiceArea/impdf/pdf/45584000M-JP.pdf