Muse: The Brain Sensing Headband Official Carrying Travel Case (New Model - V2) for Original Muse & Muse 2,Grey,18 x 19 x 8 cm : Amazon.co.uk: Electronics & Photo
Geekria UltraShell Headphone Case Compatible with MUSE 2, MUSE, The Brain Sensing Headband Headphones, Replacement Hard Shell... on OnBuy
Amazon.co.uk:Customer reviews: Muse 2: the Brain-Sensing Headband, Grey