Y50 | On-ear headphones with in-line one-button universal remote/mic cable
Y55 | High-performance DJ headphones with in-line microphone and remote
Geekria Shield Headphones Case Compatible with AKG AKG Y50BT, Y500, Y45BT, Y400, Y40, Q460, N60NC, K 490NC Case, Replacement Hard Shell Travel Carrying Bag with Cable Storage (Black) - Newegg.com