This is a listing for a remote control for a Panasonic portable CD player. Since the operation has not been confirmed, it is being sold as a junk item. 【Connection Size (Actual Measurement)】 Plug Diameter: 3.5mm Plug Length: 14.0mm GND Diameter: 8.0mm (Diameter of the metal plate surrounding the plug) 【Compatible Models】 SL-CT710 / SL-CT810 / SL-CT720 / SL-CT820 / SL-J905 etc. 【Special Notes】 ・"Junk item" means a product whose basic operation is not guaranteed. Please understand this before considering a purchase. ・Please research compatible models other than those listed in the "Compatible Models" section yourself.