This is a 5.7V fixed-voltage power supply adapter designed to meet the exact power specifications of your Roland GO:KEYS Keyboard. PLEASE NOTE: This power supply unit is not suitable for the Roland GO:Keys 3 or Roland GO:Keys 5, as those instruments require 12V power. Specifications: - Output voltage: 5.7V - Maximum output amperage is correct for your device - Output tip is the correct size and specification thoroughly tested - 2-pin plug for use with Type C (EU) wall sockets - Input voltage: AC 100-240V, 50/60Hz This replacement power supply for Roland GO:KEYS Keyboard is: - Compliant with all safety standards and includes overvoltage, overcurrent, and short-circuit protection to safeguard your device - RoHS and CE certified - Energy Star Level 6 approved, ensuring efficient power delivery and lower energy costs - Backed by a 2-year warranty: if the power supply fails within 2 years of purchase, it will be replaced