[amazon_link asins=’B01D50RZQI’ template=’ProductAd’ store=’maxwells10-20′ marketplace=’US’ link_id=’2b3e335f-0ef6-449f-82c2-80454de6e942′]An unobtrusive blanket of sound fades into the background and then masks noises that might otherwise wake or disturb you – even in noisy hotel rooms. Rohm is compact and lightweight, so it fits easily in a carry-on bag. And it’s USB rechargeable, too!