Customers say this sound machine offers versatile functionality for sleep time. Many note connectivity issues with the app, particularly on 5G networks, though the device works well without it. While some report the battery drains quickly overnight, requiring constant plugging in, others appreciate its portability for travel. Common feedback includes praise for the variety of sound options and adjustable lighting features. The touch-sensitive controls and phone app make nighttime adjustments convenient, though several mention the default brightness settings can be tricky to adjust. Frequent comments address the device's sturdiness and reliability, with many noting it helps create consistent sleep routines. While some users mention small annoyances like indicator lights being visible at night or inconsistent battery life, most find it delivers good value compared to pricier alternatives. The device's dual control options - both physical buttons and app control - receive particular appreciation. Users especially like the customizable light colors and sound selection for different situations.