This is a listing for the main unit only. Power is supplied via USB-C. It functions without any problems and has been used for about two weeks! 【High-Quality Sound Source】 The Roland JD-08 provides a professional sound source, delivering high performance in music production. 【Versatile Controls】 Equipped with multiple control knobs and sliders, allowing for real-time sound creation. 【Connectivity】 Features MIDI IN and OUT terminals for easy integration with other devices. - Brand: Roland - Model Name: JD-08 - Connectivity: OUT, MIDI IN - Color: Gray - Control Knobs: Multiple control knobs - Sliders: Multiple sliders - Display: Digital display Feel free to ask if you have any questions!