SONY MZ-N1 NET MD WALKMAN, a portable MD player equipped with G-PROTECTION TYPE-R function. - Model Name: MZ-N1 - Brand: SONY - Function: G-PROTECTION TYPE-R - Type: NET MD WALKMAN - Memory Type: MINIDISC - Volume Adjustment: Yes Power-on has been confirmed only with dry cell battery connection. Please understand that this is a used item with a general sense of use. There is no liquid leakage. No accessories are included. Please purchase with no claims and no returns.