M4S Smart Band Exercise Recording Sleeping Monitor Heart Rate follow



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

2.Step and Calorie calculation, make sport smarter

3.Sleeping monitoring, understand your sleeping for better daytime

4.Find phone and smart band function

5.Message notification also can see history message

6.Dial switch, different UI for different occasion


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

M4S Smart Band Exercise Recording Sleeping Monitor Heart Rate follow

M4S Smart Band Full Function includes Blood pressure monitoring, Heart rate measurement, message reminder ect…


Smart Band with 0.96-inch high-definition big screen, easy touch to change any UI or get any data you need


M4S Smart band also provide sleep detection intimate service, automatic monitoring of sleep time, depth, and other parameters. Analyze sleep quality and generate sleep reports


Smart Band with different UI interface, colorful interface to show the personality of fashion


Smart Band can change straps easily without any tool, always put a new smart band



Additional information

Weight 0.014 kg
Dimensions 5.4 × 1.89 × 1.2 cm

0.96'' TFT Screen
PC front cover
Single touch
160*80 Resolution



Battery Working Time

Standby time 20 days
Working time 10 days


BK 3431Q

Strap Material

TPU medical grade


Heart rate sensor
Acceleration sensor
HR sensor

Operating System


Supported Devices

Android4.0 and above, ISO7.0 and above




90mAh LiPo

Charging Time

Less than 1.5 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.