Globe Cruiser On-Ear Headphones Noise Canceling Blacks. Designed to fold flat into a case about the size of an iPad (case included), Denon's Globe Cruiser headphones, AH-NCW500SR and AH-NCW500BK, are exceptionally portable. Created with the frequent business traveler in mind, Denon's Globe Cruiser On-Ear headphones provide exceptional sound quality.