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Smart Band Fitness Trcker M4 Sport Bracelet Pedometer Heart Rate Blood Pressure Bluetooth Health Wirstband Waterproof Smartband

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M4 Smart band Fitness Bracelet Color Screen Pedometer Heart Rate Monitor Sleep Monitor Bluetooth IP67 Waterproof PK Mi Band 4

We support dropshipping and wholesale, we have our own factory,the product is good quaility.we can send orders quickly ,If you want to buy M4 Band wholesale, you can contact customer service to get a more favorable price,thank you
*Screen display band (0.96 TFT)
*Time,step, distance and calorie display on the screen
*Standard function (step, distance, calories)
*Sleep monitoring (sleep time, sleep quality)
*Incoming remind, Message push
*Anti-lost remind (phones beyond the scope will remind)
*Alarm clock remind
*Task remind
*Activities remind
*Moving target setting
*Moving information sharing
*SUOTA function, through the APK/APP upgrade bracelet firmware
*APP in google play and app store
*Synchronous data to mobile applications
*Android and apple application in sync
Model:M4 Band
App Name:Fitpro
System requirements:Android 4.4 and above, IOS 8.0 and above, bluetooth 4.0 support
Bluetooth version:BLE 4.0
Bluetooth chip:TLSR8266F512ET32
Battery capacity:90mah
Standby time:standby time will be subject to the actual measurement
Working time:standby time will be subject to the actual measurement
Motor:Vibration remind
Charging interface:PSuction-cup charger
antennas:Fpc antenna

Q1:If your phone cannot connect with the bracelet, it may be caused by the following reasons:

1.After you download the Fitpro App, you don't agree with the roots it needs

Solution:Please download the app again and agree to all system root for the app

2.When your bracelet is turned on for 10 minutes, it is still not connected to the phone

Solution:Please restart your bracelet and connect within ten minutes

Q2:If the bracelet cannot be charged, it may be caused by the following reasons:

1.The charging contacts of the charger and the bracelet are dusty or oxidized

Solution:Please clean the charging contact point of the charger and the bracelet, or scrape the contact point with a key

2.Insufficient contact between charger and bracelet

Solution:please press hard when charging and please charge it for 1 hours

3.If none of the above methods seems to solve the problem

​Solution:please try to charge it with another charger,and please feel free to contact our customer service,we will help you to solve it,thanks

Note:This bracelet is not a professional measurement tool, it only provides reference data. If you want to measure more accurate data, please buy the relevant professional measurement instrument,thanks


We are proud to offer international shipping services that currently operate in over 200 countries and islands world wide. Nothing means more to us than bringing our customers great value and service. We will continue to grow to meet the needs of all our customers, delivering a service beyond all expectation anywhere in the world.

How do you ship packages?

Packages from our warehouse in China will be shipped by ePacket or EMS depending on the weight and size of the product. Packages shipped from our US warehouse are shipped through USPS.

Do you ship worldwide?

Yes. We provide free shipping to over 200 countries around the world. However, there are some locations we are unable to ship to. If you happen to be located in one of those countries we will contact you.

What about customs?

We are not responsible for any custom fees once the items have shipped. By purchasing our products, you consent that one or more packages may be shipped to you and may get custom fees when they arrive in your country.

Do you provide tracking information?

Yes, you will receive an email once your order ships that contain your tracking information. If you haven’t received tracking info within 5 days, please contact us.

My tracking says “no information available at the moment”.

For some shipping companies, it takes 2-5 business days for the tracking information to update on the system. If your order was placed more than 5 business days ago and there is still no information on your tracking number, please contact us.

Will my items be sent in one package?

For logistical reasons, items in the same purchase will sometimes be sent in separate packages, even if you've specified combined shipping.

If you have any other questions, please contact us and we will do our best to help you out.


Order cancellation

All orders can be cancelled until they are shipped. If your order has been paid and you need to make a change or cancel an order, you must contact us within 12 hours. Once the packaging and shipping process has started, it can no longer be cancelled.


Your satisfaction is our #1 priority. Therefore, if you’d like a refund you can request one no matter the reason.

If you did not receive the product within the guaranteed time( 45 days not including 2-5 day processing) you can request a refund or a reshipment.
If you received the wrong item you can request a refund or a reshipment.
If you do not want the product you’ve received you may request a refund but you must return the item at your expense and the item must be unused.

  • Your order did not arrive due to factors within your control (i.e. providing the wrong shipping address)
  • Your order did not arrive due to exceptional circumstances outside the control of Crazee Store (i.e. not cleared by customs, delayed by a natural disaster).
  • Other exceptional circumstances outside the control of

*You can submit refund requests within 15 days after the guaranteed period for delivery (45 days) has expired. You can do it by sending a message on Contact Us page

If you are approved for a refund, then your refund will be processed, and a credit will automatically be applied to your credit card or original method of payment, within 14 days.


If for any reason you would like to exchange your product, perhaps for a different size in clothing. You must contact us first and we will guide you through the steps.

Please do not send your purchase back to us unless we authorise you to do so.

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