[Flip-to-Switch Design with 8 Relaxing Sounds]Instantly relax with a simple flip. The built-in -sensing design cycles through 8 calming soundscapes: Ocean Waves, Sleep Piano, Gentle Rain, , Summer Meadow, Rainforest Morning, Classic Fan, and Desert Winds. No more fumbling for buttons in the dark-just flip it over to find your favorite sound. [Smart Noise Sampling for Adaptive Sound Masking]Say goodbye to inconsistent volume. and hold the [M] button for 3 seconds, and the listens to your surroundings. It automatically adjusts the volume to stay above background noise like traffic or conversation, giving you a perfectly balanced sound shield for deep sleep or focused work. [ 5 Timer Options & All-Night Play]Customize your sound environment with 15, 30, 60, or 90-minute for naps, or choose unlimited mode for continuous all-night play. The automatic shut-off feature saves energy and extends battery life-perfect for any sleep routine. [Motion-Activated Pause & Hands-Free Control]Need quiet instantly? Stand the device upright to pause, then lay it flat to resume. This intuitive motion control, combined with simple volume and timer buttons, makes of the easiest white noise machines to use-especially handy for late-night feeds or sudden interruptions. [Premium Sound & Ultra-Portable Design]Enjoy crisp, high-quality audio powered by a 4Ω 2W speaker. Despite its powerful sound, the is compact and with a 500mAh rechargeable battery that runs up to 10 hours on a single charge and lasts up to 60 days on standby. The sleek silver finish and soft-glow LED indicators bring both function and style to any room. Color: As Shown Material: Metal Package Contents: 1 x Sleep Monitor Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.