Used only a few times, and the operation is also fine. There is no instruction manual, but a similar one can be downloaded from the official website. A protective sheet is also attached to the panel, and I will also include the 32GB SD card that I was using. The KORG KP3+ is a digital effector equipped with a graphical display and audio input/output terminals. - Model: KORG KAOSS PAD KP3+ - Function: Sampler function - Connection terminals: MIDI IN/OUT, LINE IN/OUT, USB - Display: Touch panel display - Control knob: Effect control knob - Sample bank: A, B, C, D Thank you for viewing.