This is a direct recording kit made by SONY, compatible with the NW-S780 series, and allows for music title editing. - Model: KPD-NW1U4K - Brand: SONY - Included items: Direct recording kit, connection cable - Purpose: Music title editing - Compatible models: NW-S780 series Thank you for viewing. Although it hasn't been used very often, it has been stored at home for a while. Please understand that this is a used item before purchasing.