Akai Professional MPC Key 37 Standalone Production Workstation Drum Machine MIDI Keyboard Synthesizer WiFi Bluetooth Touchscreen Native Instruments red.【Voltage Compatibility】 When using electrical appliances, please note that they are designed for Japanese voltage specifications (90-110V), so if you use them with a different voltage, it may cause a malfunction. 【Plug Type】 Our products use Japanese plug types (A or B type). Please use a conversion adapter if necessary. 【Important Note on Transf