This is a Pokémon Pocket Walker from the Pokémon Pocket Monsters series. The battery has been replaced and power-on has been confirmed. I do not have the DS software, so I have not confirmed the connection with the software. Thank you for your understanding. This item has been stored at home for a long time. I think it's in relatively good condition as I've kept it stored for a long time. Please forgive me if I missed anything. Please purchase with the understanding that this is a used item. - Model: Pokémon training game - Color: Red and White - Display: LCD screen - Brand: Nintendo - Functions: Training and battle functions Thank you for viewing.