Features: -For newborns, gentle sound helps sleep—this 2-in-1 Portable Sound Machine + Nightlight helps baby fall and stay asleep wherever naps happen -Portable: on-the-go design allows nap time any time -Sound on: 5 soothing sounds including shushing and heartbeat -Glow on: 3 nightlight glow levels for nighttime feeds -Adjustable strap: attach-anywhere strap hooks to strollers, car seats, cribs, and more -Convenient: adjustable volume, overnight battery life, and optional auto shut-off -Contents: 1 portable sound machine with adjustable silicone strap + USB charging cable