1 / 7MASSII K9 Sunrise Alarm Clock and White Noise Machine
White Noise Machine: The MASSII K9 sunrise alarm clock combines a gradual wake-up light, sleep sounds, a Bluetooth speaker and bedside clock functions. Its listing describes automatic time synchronisation after Bluetooth connection, plus adjustable lights and snooze settings.
At a glance
- The sunrise light is described as gradually increasing from 10% to 100%, with adjustable duration.
- A sunset fade-out is listed for winding down, alongside 22 sleep sounds.
- Bluetooth is used both to sync time from a connected phone and to play audio.
- The display and night light have adjustable brightness, while snooze can be set from 5 to 20 minutes. Raised dots are described on key buttons for finding them in the dark.
Pros and cons
Pros
- Combines an alarm clock, sunrise and sunset lighting, sleep sounds and Bluetooth audio in one bedside device.
- The listing describes direct button control without requiring an app.
- Adjustable sunrise duration and a sleep timer allow some control over lighting and sound schedules.
Cons
- Requires corded power, so it needs a suitable outlet near the bedside. The listing also says batteries are required without specifying their purpose or whether they are supplied.
Technical specifications
12 specifications| Brand | MASSII |
|---|---|
| Model | K9 |
| Power configuration | Corded Electric |
|---|
| Dimensions listed | 17.5 x 8.5 x 17.5 centimetres |
|---|
| Material listed | Plastic |
|---|
| Night light colours | 17 color options |
|---|---|
| Night light brightness levels | 4 adjustable brightness levels |
| Built-in sleep sounds | 22 soothing sounds |
| Sunrise duration | 0-60 minute sunrise duration adjustable |
| Sleep timer | 5-180 minutes |
| Snooze interval | 5 to 20 minutes |
|---|---|
| Bluetooth function | After connecting to Bluetooth, it can automatically synchronize the time on your mobile phone. |
What to know before buying
Listing details to confirm
Listing details are inconsistent: the title and model fields identify K9, while the manufacturer part number and item model number identify K7. Sunrise duration is described as 30 minutes in one feature claim and adjustable from 0 to 60 minutes elsewhere. The listed battery requirement does not clarify its purpose, type or inclusion, and the source dimensions use both centimetres and centimetres with a weight appended in another field. Confirm the exact model and operating details for the selected listing.
Who is it for?
A good fit for
- People wanting a bedside clock that combines gradual sunrise lighting with sleep sounds.
- Households looking for phone-linked time sync and Bluetooth audio, with controls described as app-free.
- Users who want adjustable night-light colours, brightness and snooze timing.
Less suited to
- People who need a battery-powered clock or have no suitable nearby outlet.
- Buyers who need a clearly confirmed model number or a fully specified battery arrangement before purchase.
Customer reviews on Amazon
- 5 stars
63% 63% - 4 stars
22% 22% - 3 stars
7% 7% - 2 stars
0% 0% - 1 star
8% 8%
Customer feedback reports positive impressions of functionality, product quality and sleep benefits, including accounts of using it to drift off and rest through the night. Brightness and ease of use receive mixed feedback. For buyers considering bedside sleep or wake-up routines, those mixed points matter because the clock relies on adjustable lighting and several controls. Aggregate ratings lean positive but do not explain individual experiences.
Positive themes
- Customers report positive impressions of functionality and quality.
- Customer feedback mentions sleep benefits.
Mixed feedback
- Brightness receives mixed feedback.
- Ease of use receives mixed feedback.
Frequently asked questions
How does the sunrise light work?
The listing says it gradually brightens from 10% to 100%. Its stated duration is inconsistent, with one claim giving 30 minutes and another describing an adjustable 0–60-minute range.
Does the clock sync its time automatically?
The listing says it synchronises time from a mobile phone after a Bluetooth connection is made.
Can the light and sounds be adjusted?
The listing describes 17 night-light colour options with four brightness levels, 22 built-in sounds and a sleep timer settable from 5 to 180 minutes.
Which model is being sold, K9 or K7?
The title and model name fields state K9, but the manufacturer part number and item model number state K7. Confirm the selected listing's exact model before buying.
Alternative options
【2026 Upgraded】Digital Alarm Clock with Temperature, 16 Soothing Sounds White Noise, Snooze Timer, 4 Levels Adjustable Brightness Night Dimmer, USB Charging Ports for Table Bedroom, Adults, Kids Gift
$27.99
Dreamegg Sunrise Alarm Clock, White Noise Machine, Alarm Clock for Bedroom | 29 Soothing Sound, Dimmable Night Light, Sleep Routines with Timer, Natural Wake Up Light, Adults, Baby, Decor, Sunrise 1
$79.99