B57 Smartwatch Alarm Sport health monitor function


1.Heart rate, very important for old and sports user

2.Blood pressure and blood Oxygen follow daily blood pressure patient

3.Sleeping mode, understand your sleeping for better daytime

4.Calorie calculation, keep fit in your daily life

5.SMS alerts push, check a message or email when you meeting or sport

6.Big IPS High digital Screen for easy touch


Imprint Logo for ON/OFF, laser print Logo at back of smartwatch, customized UI, just tell us your customized parts. We will satisfy your OEM/ODM request.

Large or Small Order

Order single or thousands of pcs at a time, we will be flexible to support you. We keep regular stock can make quick shipment for test orders. We also provide free warehouse stock to collect all your smartwatch and smart band then ship directly to your warehouse or end customers.



*OEM&ODM is always available, please mark down your need in cart or just contact us.

Shipping Order Track

Project Monitoring

User Instruction Guide

VIP Customer Service

Reliable Guarrantee

B57 Smartwatch Alarm Sport health monitor function

Big Vision Smart Watch Refresh your daily life


B57 Smart Watch with the message, calling notification, health data, sport mode


The screen can changeable to be a different color


A Smart Watch Save 7 Measurement Records, big storage


2020 Newest Design Smartwatch on your wrist



Additional information

Weight0.026 kg
Dimensions4.9 × 3.45 × 1.17 cm

1.3" IPS High digital Screen
PC cover
Full touch
240*240 Resolution



Battery Working Time

Standby time 20 days
Working time 7 days



Strap Material



PPG Heart rate sensor
Acceleration sensor
HR Sensor
Pedometer Sensor

Operating System

Hero band Ⅲ

Supported Devices

Android4.0 and above, ISO8.0 and above




180mAh LiPo

Charging Time

Less than 3 hours

Consult Your iSmarch Smart Watch & Smart Band Product Manager

We will study your smartwatch & smart band customization requests within 12hours and provide the most suitable item on-budget.