UpBright USB PC Cable Cord Charging For Mighty Bright AC Adapter 110V & 120V 37372B Fit Mighty Bright LED clip-on lights, 51810 Duet2 Duet 2 Music Stand Light AC Adapter - 51810 Tested Units. In Great Working Condition. UpBright 30 days money back guarantee. 1 full year service warranty. UpBright USB PC Cable Cord Charging For Mighty Bright AC Adapter 110V & 120V 37372B Fit Mighty Bright LED clip-on lights, 51810 Duet2 Duet 2 Music Stand Light AC Adapter - 51810