Feliz Ano Novo Lunar


Mouse over to zoom in

LEMFO B57 Smart Watch

LEMFO B57 Smart Watch

1.3'' 240*240 IPS Screen Smart Bracelet BT4.0 Fitness Heart Rate Blood Pressure Blood Oxygen Sleeping Monitoring Motion Multi-Sport Modes Replaceable Strap IP67 Waterproof Clock Alarm Remote Camera Wristwatch for iOS / Android

Price on the app only:

Already have TOMTOP APP

Scan the product's code to buy directly!

Note: Please update TOMTOP App to the latest version.


Download freely and enjoy extra offers!

Ship From:
  • China Warehouse
Please select a warehouse
Usually will be shipped in business days hours
The request failed! Please try again.
Sorry, it seems that there are no available shipping methods for your location.Please contact us for further assistance.


Ship to

United States
Stock in: china


Please select a color

For each user order no more 5 item(s)

Special discount has ended

Please note each user for only 1 item(s)

Preorder Add To Cart Out of Stock

Arrival Notice

if the goods arrival in 90 days,we will inform you by email!


Arrival Notice

Notification Subscription Success!

if the goods arrival in 90 days,we will inform you by email!

Notification Subscription Failed!

Error appeared,Please try again later!

Arrival Notice

Buyer Protection

  • Full Refund If you don't receive your order
  • Full or Partial Refund , If the item is not as described Learn More >
This is a multi-functional smart watch. It supports heart rate, blood pressure and blood oxygen, and has 1.3-inch screen and 240*240 pixel. Support multiple languages and give you a great experience!


1.30-inch 240*240 IPS display, different dials switched freely.
Heart rate, blood pressure test, blood oxygen test (can save the last 7 records). Heart rate monitoring throughout the day (displayed in bars, highest, lowest heart rate).
8 sport modes,
including walking, running, cycling, skipping, badminton, basketball, football, swimming, help you manage your health.
Reminder functions, support for call, SMS, QQ, WeChat reminder (display content and name). It also supports for Facebook, Whatsapp, Twitter, Skype, and other social software reminders.
Alarm clock (three sets of alarm clocks), sedentary reminder.
Camera remote control, taking a photo and capturing every memorable moment.
TPU/silicone strap (switching spring bar, replaceable strap).
Support BT 4.0, Android 4.4, iOS 5.1 and above.
IP67 waterproof: Daily water resistance (not for showering and swimming).
Step, distance, calories, easy to use and great for running and outdoor sports.

CPU: NRF52832
Screen: 1.3inch IPS color
Resolution: 240*240
Flash: 32M
BT: BT 4.0
Remote Control Camera: Support
Health Measurement: Heart rate, blood oxygen, blood pressure measurement
Compatibility: with iOS 5.1 / Android 4.4 and above
Sensor: Three Axis sensor/Green light active heart rate sensor
Battery Capacity: 180mAh
Charging: Clip Charging
Standby Time: about 25 days
Working Time: about 7 days
APP Language: Ukrainian, Russian, German, Italian, Japanese, French, Simplified Chinese, Traditional Chinese, English, Portuguese, Spanish, Arabic, Korean
Language: Chinese, English, Russian, German, Italian, Japanese, Korean, French, Spanish, Portuguese
Other Functions: Do not disturb mode, raise hand to bright screen, time format setting, restore factory, long press to reject incoming calls, three clock interface selection, music control (support previous, next, play/pause), weather display, health


Brand: LEMFO
Color: Black / White / Pink (Optional)
Dial Shape: Rectangle
Watch Band: TPU / Silicone
Watch Case: PC
Water-Resistant Level: IP67
Dial Size: 4.2 * 3.4cm / 1.65 * 1.34in
Dial Thickness: 1.2cm / 0.47in
Watchband Width: 2.0cm / 0.79in
Watchband Length: 25.5cm / 10.04in
Watch Weight: 27g
Package Size: 12.6 * 8.5 * 7cm / 4.96 * 3.35 * 2.76in
Package Weight: 153g

Scan the QR code and download related app.
Daily life water-resistant (not for taking shower, swimming and diving).
There is an error of 1-3mm due to manual measurement.
Because of photograph light or other reasons, the picture and material object may have slight difference, please in kind prevail. Thanks!

Package Lists:

1 * Smart Watch
1 * Charging Cable
1 * User Manual


Post a new topic

Please note that TOMTOP Forums are a community for all communicating and getting help each other. There will be some enthusiastic friends participate in your discussions. Of course TOMTOP customer service (with tomtop customer service icon) response is guaranteed ,which is the same way you contact us at http://www.tomtop.com/contacts

open this forum in full page
Customer Reviews

There are no customer reviews yet.

  • 5 stars
  • 4 stars
  • 3 stars
  • 2 stars
  • 1 stars

Share your thoughts with other customers and get Tomtop Points, the first 5 reviews get DOUBLE Tomtop Points!

Write a Customer Review
Be the first to review this item

Top Sellers More>

Please activate your account first. We will resend the activation email to help you complete your registration.

Recently Viewed


TOMTOP use cookies to give you the best shopping experience. If you continue to use our services or create a new account, we will assume that you agree to our  Privacy Policy.

Tell us which product you want to Social Saving

Click the refresh verification code