The LEMFO LEM12 PRO is a android 10 smartwatch released in November 2020. Based on trademark ownership, this brand appears to be the Chinese company ShenZhen Wayfor Ward Electronic.

LEMFO is a popular brand of full Android watches, which are essentially Android phones shrunk down to the size of a watch. LEMFO has many popular Android 7 watches but the Prime 2 is there first Android 10 watch.

The LEM12 PRO is using a Mediatek Helio P22 MT6762 processor. The Mediatek Helio P22 MT6762 is a midrange Smartphone processor which has decent performance and works well in this smartwatch with no lags.

The operating system for this watch is Android 10. Since this is a full Android smartwatch, you have access to Google Play Store to install 3rd party apps. This is a great feature when compared to smartwatches with proprietary operating systems and no access to 3rd party apps.

Full Android Supply Chain

If you are familiar with the full Android watches, you will notice that many watches are very similar if not identical even though they have different brands. They also work with the same app. This is due to the common supply chain for these watches which follows this pattern:

  1. Solution Provider – Creates the printed circuit board assembly (PCBA) that includes the processor and initial firmware for the watch. One of the primary solution providers is a company called Wiite but there are others
  2. Factories – Design and build the watch based on the PCBA. They add the case, sensors cameras and adjust the firmware. Factories include KingWear, Microwear NJY, Ledai, etc. These factories sell the watches to brands in large order quantities. Sometimes they sell under their own brand as well
  3. Brands (LEMFO, Kospet, Zeblaze, Rogbid, etc) then purchase the watch and could include some small customizations or firmware tweaks for logos

Hence this family of watches are nearly identical or in some cases identical.


The LEM12 PRO has a circular watch face design with a plastic case.  The watch is only available in black and while not using premium materials, the watch looks attractive. This smartwatch is on the larger size at 60 x 50 x 17 mm and weighs 70g. The x 17 mm thickness is on the larger size and could be uncomfortable for some to wear while sleeping.

The LEM12 PRO can be purchased with either a 22 mm black or brown leather interchangeable strap. While the front of the strap is leather the back of the strap is a rubbery silicone material. Strap quality is fine.

You can interact with the watch using the touchscreen and 2 physical buttons. The touchscreen works very well with no lag. Fonts, menus and icons can easily be read and navigation is not too complex.

The LEM12 PRO is not not water resistant which is quite disappointing. While there are some sources that indicate the watch has IP67 water resistant, this is not called out in the specs. Never wear this watch in the shower or when swimming. If the watch accidentally gets wet, dry it quickly to avoid any damage.


The screen of the LEM12 PRO while not as good as AMOLED screens, does a fine job. The 1.6″ IPS Touchscreen comes with 400 x 400 pixels. Indoors the display is good while outdoors it is not the greatest.

LEMFO does not indicate what screen protection is provided which is disappointing. The bezel around the watch should provide some protection but it is too early to tell long term durability and how well this screen will stand up to day to day use.

Unfortunately, the watch does not have an always on screen option. One area where the watch does lag is turning on when raising your wrist. This can take a few seconds to complete, significantly slower when compared to some of the premium smartwatches. The watch allows for custom watchfaces which is a nice feature.


The LEM12 PRO comes with a 900 mAh battery. LEMFO claims that typical usage battery life is 2 days and watch mode battery life is 3 days. Real world battery life is a bit less with many people getting just over 1 day with normal usage.

This is good for a full featured Android watch but is very poor when compared to some of the simpler smartwatches that have battery life measured in weeks not days. Since this watch is so large and it does not have sleep monitoring, most people will just remove it at night and charge it.

LEMFO does sell a hockey puck shaped 900 mAh power bank that can be used to charge the watch on the go. This is a pretty unique feature for a smartwatch.

LEMFO LEM12 PRO Power Bank
LEMFO Power Bank

Connectivity Features

From a connectivity perspective, the LEM12 PRO has good functionality and can can receive and respond to notifications from the watch.

You will need to install either WiiWatch 2 or Watch Droid on your Smartphone for this to work. These apps while decent, are not the best and there have been complaints of connectivity issues and duplicate notifications.

The LEM12 PRO has both a speaker and a microphone but does not have the ability to answer or place calls using Bluetooth when connected to your phone. That being said, the watch has a built in SIM slot for cellular connectivity allowing you to make and receive calls directly on the watch.

Android 10 watches are designed to replace your smartphone rather than complement it. Essentially it is a smartphone shrunk down so it can fit on your wrist. This is generally a negative for most people since they are looking for a watch to complement their phone. For a smaller group who wants to replace their smartphone with a watch, this is a positive.

The speaker and microphone work well for both incoming and outgoing calls if you install a SIM card. The speaker can be also used to play music stored on the 64GB internal memory.

The LEM12 PRO has 2 cameras, one on the face for selfies and video calls and one on the side. While LEMFO advertises the front camera as a 5MP camera and the side camera as 8MP, this is not true. The front camera actually takes 0.3MP pictures and the side camera takes 5MP pictures. Given the poor picture quality, we suspect the pictures from the side camera are interpolated for 5MP.

On the positive side, it does come with built-in GPS. GPS connectivity and accuracy appear to be good. Finally, Near Field Communication (NFC) is not supported, hence you cannot use this smartwatch to make payments. The lack of Google Pay is one of common disadvantage for Android 10 smartwatches.

Health and Fitness Features

The LEM12 PRO comes with 2 sensors: Gyroscope, Heart Rate Monitor (HRM). These only cover a few fitness and health areas. These sensors allow you to track the following 4 metrics: Calories, Distance, Heart Rate, Steps.

Also included are 9 different sports modes. When compared to more fitness or health focused watches, the LEM12 PRO is quite limited. If fitness and health monitoring are key features you are interested in, this watch is not ideal.

WiiWatch 2, Watch Droid, WiiWear Apps

The LEMFO LEM12 PRO does not have a dedicated app, rather LEMFO recommends using either the WiiWear, WiiWatch 2 or Watch Droid apps.

Known Issues


There have been a handful reports of the watch getting very hot when charging and then will stop working completely. The official support advice to not charge overnight. A really poor solution to this problem. We will monitor to see if it is widespread.

Internal Photos


The LEMFO LEM12 PRO is one of the first Android 10 smartwatches and it has decent specifications. Dual camera is nice feature even though the specs are greatly exaggerated and photo quality is not great . Biggest complaints are the short battery life and lack of water resistance. While smaller than the Kospet Prime 2, this is still a larger, bulky watch. Also health monitoring and fitness monitoring are limited.

Out of the first 3 full Android 10 watches released in November 2020 (LEM12 Pro, Kospet Prime 2 and Zeblaze Thor 6), the LEM12 PRO is the best choice if you can live with the drawbacks. You can discuss this watch with other owners on our Full Android forum here.



Read Review
Watch Type Android 10 Smartwatch
Gender Men
Release Date November 2020
Operating System Android 10
App WiiWear, WiiWatch 2, Watch Droid
Supported Devices Android 6.0+, iOS 11.0+
Processor Mediatek Helio P22 MT6762


Shape Circular
Case Size 60 x 50 x 17 mm
Case Material Plastic
Weight 70g
Strap Width 22 mm
Strap Material Silicone, Leather
Interchangeable Strap Yes
Watch Colors Black
Input Touchscreen, 2 Buttons
Water Resistance


Always On Yes
Custom Faces Yes



Notifications Receive Only
Bluetooth Calling No
Bluetooth Music Yes
Speaker Yes
Microphone Yes
Camera No
Cellular Yes
Near Field Communication (NFC) No
Payments No
WiFi Yes
Voice Command No
Warranty 12 Months


Unique Features Available 900 mAh powerbank
Advantages Full smartphone on your wrist
Can install apps from Google Play Store on the watch
Dual camera is a nice feature but picture quality is average at best
Disadvantages Short battery life
Limited health and fitness monitoring
No Bluetooth calling capability when connected to your smartphone
Verdict The LEMFO LEM12 PRO is one of the first Android 10 smartwatches and comes with decent specifications. Dual camera is nice feature as well. Biggest complaints are the short battery life and lack of water resistance. While smaller than the Kospet Prime 2, this is a larger, bulky watch. Also health monitoring and fitness monitoring are limited.

Published: December 08, 2020

LEMFO LEM12 PRO - WatchSmarty

The LEMFO LEM12 PRO is one of the first Android 10 smartwatches. Dual camera is nice. A bulky watch with limited health and fitness monitoring.


Product Brand: LEMFO

Product Currency: USD

Product Price: 170

Price Valid Until: 2023-01-01

Product In-Stock: SoldOut

Editor's Rating: