HA-1 Headphone Amplifier with Bluetooth. Everything functions and works well with iPhone or Android with the Oppo app. Also includes the remote and power cord. Does not include the original box. Always plugged into a quality power supply. Condition: The top and sides are in good condition. No dents or major scratches. what brings the condition to an average is there is an 1/2" long scratch on the volume knob and there are three areas along the top leading edge of the front where there are nicks. The remote is in good condition with one small nick on the bottom of the remote.