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Product guide

COOLNIGHT WH-E28 Baby Sound Machine and Projector

Projector: The COOLNIGHT WH-E28 baby sound machine combines soothing audio, a night light and rotating projection for a bedside setup. Its listed functions include 30 sounds, a remote, adjustable brightness and a timer, while its corded power means it needs an outlet nearby.

At a glance

  • Combines 30 listed sounds with a night light and projector in one tabletop device.
  • Remote and on-unit button control are described, with a timer adjustable from 5 to 995 minutes.
  • The listing identifies corded electric power and USB connectivity, so plan on a nearby power source rather than battery operation.
Price
$39.98Save 20%

Reference price: $49.99

Price checked: Nov 12, 2026

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Often bought together

Pros and cons

Pros

  • Sound, night light and projection functions are combined in one compact tabletop unit.
  • A long adjustable timer and three brightness levels give bedtime settings more flexibility.
  • Sound and light memory is listed for returning to previous settings.

Cons

  • Corded electric power limits placement to locations near a suitable power source.
  • No wireless communication is listed, so wireless streaming or app operation is not specified.

Technical specifications

22 specifications
Identity
BrandCOOLNIGHT
ModelWH-E28
Sound and projection
Listed sound count30 sounds
Projection slides4 projection slides
Rotation360° rotation
Speaker maximum output power5 watts
Speaker size5 inches
Audio driver typeDynamic Driver
Light and controls
Color options5 mixable colors
Brightness3 brightness levels
Control methods listedRemote
Timer5-995 minute timer
Memorysound and light memory
Connectivity and controls
Wireless connection listedNo Wireless Communication Technology
Power and battery
Power configurationCorded Electric
Input voltage5 volts
USB connectivityUSB
Dimensions and installation
Mounting typeTabletop Mount
Dimensions (D × W × H)5"D x 4"W x 5"H
Enclosure materialAcrylic
Other
WaterproofFalse
Warranty description3 Year Manufacturer

What to know before buying

Listing details to confirm

The listing gives conflicting light and sound details: core specifications say five mixable colors and 30 sounds, while feature text claims 31 colors and separately breaks down 30 tracks as 12 lullabies, 7 nature sounds and 11 white noises. It also describes remote and button control but the formal control field lists only remote. Confirm the exact version and features on the selected listing.

Who is it for?

A good fit for

  • Parents looking for a tabletop bedtime device combining sounds, a night light and ceiling or wall projection.
  • Buyers who want remote operation, a programmable timer and adjustable brightness.

Less suited to

  • Anyone needing a battery-powered or wireless-streaming sound machine.
  • Buyers who need confirmed exact light-color options or want to choose among sound types without first resolving the listing's inconsistent feature descriptions.
COOLNIGHT WH-E28 Baby Sound Machine and Projector · photo 2
Additional product photo 2

Customer reviews on Amazon

4.3 / 5 · 3,397 ratings
  • 5 stars72%72%
  • 4 stars10%10%
  • 3 stars5%5%
  • 2 stars3%3%
  • 1 star10%10%

Customer feedback describes the sound quality, ease of changing scenes, color choices and night light positively, and reports that the machine has helped babies sleep through the night. Those impressions are relevant to its listed combination of 30 sounds, projection and adjustable light, but they do not establish a guaranteed sleep outcome. Aggregate ratings are generally favorable, though a substantial one-star share means experiences are not uniformly positive.

Positive themes

  • Customers report favorable sound quality and appreciate the night light and color choices.
  • Feedback highlights ease of use, including changing scenes, and positive impressions of value.

Frequently asked questions

Does the COOLNIGHT WH-E28 need to be plugged in?

The listed power configuration is corded electric, with USB connectivity and a listed input voltage of 5 volts. The page does not establish battery operation.

How many sounds and light colors does it have?

The technical details list 30 sounds and five mixable colors, but feature text also claims 31 colors and gives a sound-category breakdown. These details conflict, so confirm the specification for the selected listing.

Can the projector rotate and can the timer be adjusted?

The listing claims 360° rotation and a timer adjustable from 5 to 995 minutes.

COOLNIGHT WH-E28 Baby Sound Machine and Projector · photo 3
Additional product photo 3

Alternative options

Product details in Markdown