All marks on it are in the pictures. Used a few times. My baby prefers to listen to Whitney Houston , so selling it Feel free to send offers on this item. -It’s hard to schedule everything around naptime. Parents want something that gives them the freedom to take baby out and about without stressing—a convenient travel soother. The Stroll & Go Portable Baby Soother attaches to strollers, diaper bags and more with a handy silicone strap. Despite the compact size, it boasts full-size features—including two songs (Brahms’ Lullaby and Sunrise Lullaby), two nature sounds (waves and rainforest), volume control and an auto-off timer (15, 30 and 60 minutes).