3Features ● miniEngine Pro provides 128 the newest high-quality GM sounds ● Supports up to 64 complex tones and 24bit / 48kHz high-quality audio output ● Supports MIDI devices with MIDI OUT or USB output with zero latency ● With 128*64 Pixels of OLED display ● Supports MIDI IN and USB Host work simultaneously. One piano plays accompaniment while another plays melody. A true duet. ● Compact but powerful and easy-to-use. Excellent for operating with MIDI devices together. ● Comes with 3 (A, B, C) preset function buttons which could be shifted easily. ● Comes with a 2,500mAh rechargeable Li-ion battery. Able to supplies power to your MIDI device through USB Host (≤500mA). ● USB Host can also charge up your mobile phone ● Power supply: micro-USB ● Interfaces: 3.5mm audio output, MIDI input, USB Host, micro-USB interface. Panel Description Front Panel PRESET BUTTONDATA ENTRY ENCODER32 DIS PLAY1 USB/M IDI INDICATOR4