Walkman accessory kit with direct recording function. - Model Name: KPD-NW10K - Compatible Models: NW-A10/S10/S10K/S780/S780K/S770/S770BT/E80B/E80BK - Cable Length: Approximately 60cm - Function: Direct Recording Kit - Accessories: Audio cable (WMC-NW1) This is the SONY Walkman Direct Recording Kit KPD-NW10K. Operation not confirmed. It was working about 3 years ago. The box has been carefully wiped with a disinfectant wipe. It will be packaged and shipped in waterproof packaging. Price negotiations are welcome. Please feel free to contact me if you have any questions or requests. I am new to this, so there may be some shortcomings, but thank you for your understanding!