USB MIDI controller with 16 LED pads and 3 knobs. - Brand: PreSonus - Model Name: ATOM - Interface Type: MIDI Controller - Number of Pads: 16 - Connectivity: USB - Product Condition: Used - LED Color: Blue Thank you for viewing. Used for approximately 5 years. Operation has been confirmed. This pad controller is perfect for beatmaking for Studio One users. There are scratches and signs of use, but it can be used without any problems. Please understand that this is a used item before purchasing.