The KW66 is a sports focused smartwatch released in October 2020 by the Chinese manufacturer IMILAB. IMILAB is apparently a Xiaomi backed company who primarily manufactures smarthome products. While this is IMILAB’s first smartwatch, it is not a Xiaomi product.

The KW66 is using a Realtek RTL8762C processor (see internal photos below). This processor is found in many low end smartwatches in the $30 to $50 range. It performs OK given the pricepoint even though it is not the smoothest operating watch.

The KW66 appears to be nearly identical to the $35 Haylou Solar LS05 smartwatch (another Xiaomi backed company). The design is nearly the same, the specifications are identical and the user interface is the same.

IMILAB KW66 vs Haylou Solar
IMILAB KW66 (Left) vs. Haylou Solar (Right)

The watch is using a proprietary operating system. There are only a limited number of apps on the watch and no app store is available to add any additional apps. What you see, is what you get for apps on this smartwatch.


The KW66 has a circular watch face design with a zinc alloy & plastic case.  The watch is available in black, silver and gold and actually looks pretty good for a low priced watch.

IMILAB KW66 Colors

This smartwatch is on the larger size at 45.3 Χ 45.3 Χ 12.7 mm and weighs 54g. The 12.7 mm thickness is big as well and could be uncomfortable for some to wear while sleeping.

IMILAB KW66 Dimensions
KW66 Dimensions

The KW66 comes with two 22mm silicone interchangeable straps, one black and one green. The strap is comfortable and quality is acceptable for this low price point.

You can interact with the watch using the touchscreen and 1 physical button. The touchscreen works fine but the watch does not have the smoothest scrolling. The KW66 has a IP68 water resistance rating which could allow hand washing and some splashing. Showers could be risky and swimming should be avoided.


The KW66 comes with a 1.28″ TFT Touchscreen packing 240 x 240 pixels. This screen is average at best. Colors are not as good as an AMOLED screen and you can see some pixelation in the text. Indoors the display is fine while outdoors in sunlight is not that great.

IMILAB does not indicate what screen protection is provided and we expect protection to be limited. That being said given the low price, build quality appears to be good.

Unfortunately, the watch does not have an always on screen option. The watch allows for custom watchfaces which is a nice feature.


The KW66 comes with a 340 mAh battery. IMILAB claims that typical usage battery life is 14 days and standby battery life is 30 days. Real world battery approaches 2 weeks which is quite good when compared to other smartwatches. Battery life is one of the biggest positives of this watch.

Connectivity Features

From a connectivity perspective, the KW66 can only receive notifications and there is no ability to respond to notifications from the watch. Emojis are not supported. Some people have had trouble getting notifications to work when paired with their smartphone. Given the budget nature of the watch, there is a risk that it will not interact well with your smartphone.

Unfortunately the KW66 does not have any other connectivity features:

  • No speaker
  • No microphone
  • No ability to answer or place calls via bluetooth
  • No camera
  • No cellular connectivity
  • No GPS
  • No Near Field Communication (NFC) for payments

Health and Fitness Features

The KW66 comes with 3 sensors: Accelerometer, Gyroscope, Heart Rate Monitor (HRM). These only cover a few fitness and health areas. These sensors allow you to track the following 5 metrics: Calories, Distance, Heart Rate, Sleep, Steps.

Unfortunately accuracy for heart rate monitoring, sleep tracking and step tracking is poor. The heart rate monitor records a heart rate even when not on your wrist, a ridiculous sensor.

Also included are 13 different sports modes. When compared to more fitness or health focused watches, the KW66 is quite limited. If fitness and health monitoring are key features you are interested in, this watch is not ideal.

Glory Fit App

The IMILAB KW66 uses the Glory Fit app, which is very low quality. The app presents the same rudimentary data as the watch and has limited functionality. The low rating of this app on the Google Play Store is justified.

Internal Photos

Known Issues

As this watch has just recently been released, there are no common known issues.


Very basic smartwatch with poor tracking accuracy and very limited features. App is below average. Avoid this smartwatch.



Read Review
Watch Type Sports Focused Smartwatch
Gender Men
Release Date October 2020
Operating System Proprietary - Other
App Glory Fit
Supported Devices Android 5.1+, iOS 9.0+
Processor Realtek RTL8762C


Shape Circular
Case Size 45.3 Χ 45.3 Χ 12.7 mm
Case Material Zinc Alloy & Plastic
Weight 54g
Strap Width 22 mm
Strap Material Silicone
Interchangeable Strap Yes
Watch Colors Black, Silver, Gold
Input Touchscreen, 1 Button
Water Resistance


Screen Size 1.28"
Screen Type TFT Touchscreen
Resolution 240 x 240
Pixels per Inch 265 ppi
Always On No
Custom Faces Yes
Screen Protection None


Typical Usage Battery Life (Days) 14
Watch Mode Battery Life (Days) Not disclosed
GPS Mode Battery Life (Days) N/A
Charging System Magnetic
Capacity 340 mAh


Notifications Receive Only
Bluetooth v5.0
Bluetooth Calling No
Bluetooth Music No
Speaker No
Microphone No
Camera No
Cellular No
Near Field Communication (NFC) No
Payments No
WiFi No
Voice Command No
Memory None
Sensors Accelerometer, Gyroscope, Heart Rate Monitor (HRM)
Tracking Calories, Distance, Heart Rate, Sleep, Steps
Sport Modes 13
Warranty 12 Months


Unique Features None
Advantages Good battery life
OK quality materials for pricepoint
Disadvantages Limited features
Inaccurate heart rate and sleep monitoring
Poor quality app
Verdict Very basic smartwatch with poor tracking accuracy and very limited features. App is below average. Avoid this smartwatch.

Published: December 29, 2020

IMILAB KW66 - WatchSmarty

The IMILAB KW66 is a very basic smartwatch with poor tracking accuracy and very limited features. App is below average. Avoid this smartwatch.

Product SKU: IMILAB KW66

Product Brand: IMILAB

Product Currency: USD

Product Price: 50

Price Valid Until: 2023-01-01

Product In-Stock: SoldOut

Editor's Rating: