USBKeyboard to FM77Keyboard Comverter. Compatible with FM-77 series. Connector is round miniDIN 4-pin. Connects Japanese USB 1.1 keyboards to the FM-77 series. Electrical specifications: +5V (within 5% error), max power consumption 15mA. Connector count: 1x PC side (male), 1x Keyboard side (female). PC side: miniDIN 4-pin. Keyboard side: USB Type A female. Size: Body W:5cm D:5cm H:2.5cm, Cable: approx 25cm x 5mm, Connector: approx 5cm x 1.5cm. Color: Black. Includes manual and warranty.