Tested and works great! Included are the original box, manuals, power supply, and Midi cable adapter. This keyboard is a great entry point to FM synths and recreates the sound of the original DX7 perfectly.

Description via Sweetwater.com - The DX7 defined the synth sound in the '80s. The Yamaha Reface DX mobile mini keyboard puts the iconic sound of a 4-operator FM synth right in your hands, along with a host of modern features like onboard multi-effects and straightforward editing. Manipulating parameters is a breeze, thanks to the Reface DX's multi-touch control surface, and storing your patches is just as easy. Whether you want classic electric pianos and bells or modern dubstep and EDM sounds, the Reface DX has got you covered. On top of that, you get an onboard phrase looper for capturing song ideas or creating "sound on sound" overdubs.

Yamaha Reface DX Mobile Mini Keyboard Features at a Glance:

4-operator FM Sound Engine offers dynamic and expressive additive synthesis

Onboard multi-effects for adding depth to your sound

32 memory locations let you store and recall your patches

Phrase looper lets you capture song ideas or create "sound on sound" overdubs

HQ mini keyboard allows fast, natural performance with premium feel and response

Sustain pedal input allows the sustain function for all FM generated sounds

Stereo speaker system lets you take your sounds anywhere

Specially designed bass reflex port technology enhances bass response for full, rich sound

Can operate on 6 AA batteries for up to 5 hours for true portability

USB To Host port allows MIDI connectivity to your USB-equipped computer or iOS device

An aux line input lets you play along with mobile devices, tablets, and more

Dual line outputs provide connection to mixers, audio interfaces, DI boxes, and more