? [Baby Soother] Built-in 10 light music songs, 2 natural sounds, and 2 lullabies, help to sooth babies, reduce their anxiety and crying, aiding them drift off to sweet dreamland quickly and deeply. ? [Automatic Shut-Off & Adjustable Volume] Support 15, 30, and 60 minutes timed off setting, does not disturb baby's deep sleeping; and the volume can be easily adjusted according to actual needs. ? [Silicone Strap Design] Can be easily hanged on cribs, baby strollers, diaper bags, and more;  portable size, great for comforting babies when taking them out. ? [Battery Power Supply] Powered by 3 * 1.5V AAA batteries (not included), no need of frequent charging, quick and convenient for use. ? [Easy Operation & Cute Owl Appearance] Simple buttons design, easy to change songs and adjust volume; attractive cartoon shape, a nice gift and companion for kids.