Free Worldwide Shipping

Xiaomi Mi Band 4 Waterproof Smart Fitness Tracker

30 reviews
100% of buyers enjoyed this product! 150889 orders
US $82.36
Total Price:
Best price guarantee
View cart
Buyer protection
Safe shopping
Easy returns and refunds
Free shipping worldwide


Why are we so sure that the Xiaomi Mi Band 4 shown on this page won’t leave you cold?

Here are the top 3 reasons to be super excited about this offer:

  • Meets the universal demand

First of all, we’ve noticed that buyers all over the globe purchase this kind of Waterproof Smart Fitness Tracker more actively than ever. Therefore, we’ve decided to add it to our product range. Aren’t you going to join this community?

  • Manufactured with the highest industry standards in mind

Secondly, if you’re looking for top quality Xiaomi Mi Band 4 Smart Fitness Tracker, then you’re in the right place!

  • Won’t hurt your budget

That’s correct – because it’s one of the most affordable offers on the market.

Ready to see more reasons that make the so special?


Language: English, Russian, Spanish, Polish, Italian, French, German
Band Material: Rubber
Case Material: Plastic
Battery: LiPo, 135mAh; NFC: 125mAh
Charging Time: ≤ 2 Hours

In other words, the combination of the unique design and perfect quality makes this amazing product a byword for a good purchase. So, hit ADD TO CART and enjoy!


Does this product meet all the manufacturing standards?
All our products, including the Xiaomi Mi Band 4, meet the required standards. Moreover, you may look at the feedback from our previous customers, and make certain that you’re making the right choice!

I want to buy the Xiaomi Mi Band 4 Smart Fitness Tracker you offer. But what makes it better than analogues?
We work with leading suppliers. That’s why we can guarantee an exceptional quality of the Xiaomi Mi Band 4 and we’d like to point it out that it has fine value for money.

What’s the reason for this low price if the product is as good as you describe?
We do our best to reduce the cost of storing, transporting, etc. That’s why we have the opportunity to offer you the best price!

What’s the price for this?
The Xiaomi Mi Band 4 will cost you US $49.46. Click ADD TO CART to place an order!

Is it the very product I’m looking for?
It is one of the best market options in terms of its value for money! So we’re sure you won’t be disappointed.

Do you mind if I make a review on this item?
We are always happy when our customers share their opinion! So, please, tell others about your experience.


What if I order several units of the same item? Will you send them all together?
You have no reason to worry because all the packages will arrive at the same time.

Is the package secure?
The thing we’re concerned the most is the safety and security of our clients. That’s why we pack our products the best possible ways.

I made a mistake, so I need to fix it. What can I do to change my order?
We have a support team to solve the problems like this one. So, feel free to contact our support managers, and they will help you to change or cancel your order.

How many are left in stock?
The number of these items in stock goes down every day as this is quite a demanded offer. However, there should be enough products for you to buy in case you place your order today.

Are you complying with the law selling the Xiaomi Mi Band 4?
There is no reason to worry about this because we’ve got all the permits required for selling these products.

Does anyone sell these offline?
If you come across the Xiaomi Mi Band 4 in offline stores, you should know that you deal with a reseller. Therefore, you’ll be overcharged.


We are proud to offer international shipping services that currently operate in over 200 countries and islands worldwide. 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 185 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 to your country.

How long does shipping take?

Shipping time varies by location. These are our estimates:
Location *Estimated Shipping Time
United States 10-30 Business days
Canada, Europe 10-30 Business days
Australia, New Zealand 10-30 Business days
Central & South America 15-30 Business days
Asia 10-20 Business days
Africa 15-45 Business days
*This doesn’t include our 2-5 day processing time.

Do you provide tracking information?

Yes, you will receive an email once your order ships that contains 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 cancel ed 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, you can request a refund or reshipment for ordered products if:

  • 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.

We do not issue the refund if:

  • 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 Patent Sports (i.e. not cleared by customs, delayed by a natural disaster).
  • Other exceptional circumstances outside the control of https://patentsports.com

*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.

Real customer reviews

30 reviews
100% of buyers enjoyed this product!
5 stars
4 stars
3 stars
2 stars
1 star
Vitória Gonzáles
verifed buyer
14 Apr 2020

Original! Buy film, scratch easily.

Zoey Otto
verifed buyer
14 Apr 2020

More than satisfied with the product. Such a good quality and it came well packed. I do recommend the product and the store as well. (Global Version/Poland)

Danilo Correa
verifed buyer
13 Apr 2020

Are Luís Maranhão, great product got everything right in perfect condition well packaged without fee 15 post nor fee customs. Recommended.

Eduarda Gomes
verifed buyer
13 Apr 2020

Arrived in excellent condition, store, soon will buy more in store

Isabelle Fernandes
verifed buyer
11 Apr 2020

All right.

Laura Alvaréz
verifed buyer
11 Apr 2020

Despite the box came a little amaçada what is normal, was very pleased, original product! Came to Brazil in 10 days!

Raissa Pinto
verifed buyer
11 Apr 2020

Took 15 calendar days to Diadem/SP. Great product.

Tiago Rocha
verifed buyer
10 Apr 2020

Bracelet arrived in little more than a month, in full quarantine! Very satisfied! Thank you

José Antonio Álvarez
verifed buyer
9 Apr 2020

Excellent, arrived earlier than expected taking into account the situation.

Helena Cavalcante
verifed buyer
9 Apr 2020

Exactly as the description! And is original! Works very well and in Portuguese also Very helpful, recommend!

Cynthia Bennett
verifed buyer
9 Apr 2020

Original product, very good store.

Donald Hanson
verifed buyer
9 Apr 2020

Arrived fast, original and with original.

Bruno Montes
verifed buyer
9 Apr 2020

Chegooou am loving, took a little but very worth it❤❤❤❤

verifed buyer
9 Apr 2020

Like it. 2 hours of charging, 30 day usage. Very comfortable to sleep with and take a shower. I wear it 24/7. One of the best deals for its money!

Rebeca Cavalcanti
verifed buyer
8 Apr 2020

The bracelet arrived within 1 month, product as described in Sale, am very satisfied!

Kauã Ribeiro
verifed buyer
8 Apr 2020

The product is original, came with a detached in side flap boxes, otherwise is OK!

André Correia
verifed buyer
8 Apr 2020

Product arrived in 1 month and 15 days, original undamaged, as all the images of store.

Livia Gomes
verifed buyer
8 Apr 2020

Like, great acquisition.

Juraci Fernandes
verifed buyer
7 Apr 2020

Original product and exactly as described the box came a little wrinkled but nothing affect the product am satisfied!

Gregory Turner
verifed buyer
29 Mar 2020

A little slow, but arrived perfect. Am Satisfied

Shirley Fowler
verifed buyer
29 Mar 2020

All Super!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

Laura Santos
verifed buyer
28 Mar 2020

Very good, and fast delivery.

Francisca Rocha
verifed buyer
28 Mar 2020


Sandra Rios
verifed buyer
28 Mar 2020

Good store! Fast shipping.

Gabrielly Gomes
verifed buyer
28 Mar 2020

Product received. All right, arrived in 20 days. I would recommend the shop send in pocotes with bubbles which avoid the crease box.

1 2
More reviews
Write a review
© Copyright 2021. All Rights Reserved
Open chat
Hi, how can I help you?

Shopping cart