Langsdom Mijiaer JM21 In ear Earphones For Phone iPhone Huawei Xiaomi Headsets Wired Earphone Earbuds Earpiece fone de ouvido

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Dear friends,

We are writing to inform you that we have two brands(Langsdom & Mijiaer) of this model, actually they are the same earphones, the differs just the brand logo, we guarantee that they are 100% original brand new.

Since we have No Langsdom brand logo of the Black, Red and White Color by now, we will send the Mijiaer brand logo for instead, if you still like it, you can add it to your cart to buy it, and if not, our store have other models, you can check it, sorry to cause any inconvenience, thanks for your understanding in advance.

Best Wishes,

Langston Group


♪ Impedance: 32Omega plusmn 15%

♪ Sensitivity: 115 dB plusmn 3dB

♪ Driver Size:10mm

♪ Frequency Range: 20Hz-20000Hz

♪ Plug-Type: 3.5MM Gold-plated

♪ Cable Length:1.20m

♪ Cable Feather: Wound Built-in

♪ Resistance to pull classic fashion appearance

♪Function: With Microphone and Play Control

♪Design of PTE high elastic line, more durable

♪Compatible for Samsung, for iPhone, MP3, MP4, Computers, Smartphone with 3.5mm jack

What Include:

1 * In-ear Headphone

1 * clip

2 * different size eartips


[1]Is it Original ?

Yes ,This is 100% Original Langston earphone ,we Getting goods from Original Factory where is in Shenzhen China. You can buy it and no any worry !

[2] Can we use these to phone call?

Yes, they have Built-in mic on the wire and it works great.

[3] What devices it is compatible with?

The Headphones compatible with kinds of Media Devices which have 3.5mm Jack as Apple Devices | Androids Smartphone | Windows Phone | MP3/MP4 Player | Portable Music Player (Remote control can't work for some MP3/MP4 Player)

[4] Does it work for Hifi Music?
Yes,with High Quality Driver and Suitable Sound Chamber, it has good sound performance.

[5]What is the remote for?

The remote answers phone calls for the Phone. It can pause/play/skip for music. High sound quality for the price. Nice packaging. Excellent bass without compromising clarity of the vocals. If interested, don't hesitate to have a try. [6] Do you support dropshipping? Yes, Please clike her if you want to know more.

Drop Shipping Business

Welcome to , If you need more or want to do drop shipping business, pls feel free to contact us via message pleasure to receive your message.
langsdom is a professional audio company in china which has strong ability in r&d, manufacture, sales and service. the product quality follows by ce rohs fcc.
in recent years, we have served many drop shipping sellers via Aliexpress successfully. We sincerely hope that we can drive more growth and benefited from each other.
Now let us answer your questions one by one.

Q1) Do you allow us and give us permission to resell your products on our store? if so, can we send you our logo to brand the product? Such as our logo on the box or product?

A1) Yes, we will give you permission to resell “langsdom” in your own store. for customized brand on box and product, we can do that according to your needs. but we have more requirement. 5000 pcs for each sku.

Q2) Do you have transparent images (png) or models wearing the earbuds that i can post to my social media accounts until i get my own customers.
A2) Yes, we have transparent images and models wearing. what's more, we can design them as your promotion planning.

Q3) When we are ready can you send us orders in bulk? this will decrease shipping time. also, if you do bulk orders how do you normally facilitate fulfillment for something like this? Again we want to establish a long term relationship, but start with drop shipping.

A3) Yes, we can send you orders in bulk. to avoid out of stock, you need to place orders more than 25 days in advance if the bulk quantity exceeds 500pcs, and 30% deposit for the shipment of bulk orders, we support commercial express delivery and maritime transport.

Q4) Shipping, Returns & Payment

A4) Returns:

1. We don't support returns for no reasons.
2. You have 7 days to contact us and 30 days to return for quality problems goods. we will refund after we receive them.
3. For defective orders, like unusable, not as describe, lack of quantity, we will refund or resend.
4. We will refund if package are not delivered within estimated delivery time.

A4) Payment:

We support payoneer, t/t transfer, aliexpress pay

A4) Shipping:

1.Your parcel will be sent within 2 days

2. WORLDWIDE SHIPPING. (Except some countries and APO/FPO)

3.The parcel could be tracked in 17 TRACK.

4.We do not guarantee that delivery time on all international shipments due to differ in customs clearing times in individual countries, which may affect how quickly your product is inspected. If you have not received your shipment within 30 days from payment, please contact us. We will track the shipment and get back to you as soon as possible with a reply. Our goal is customers satisfaction!

Please note that buyers are responsible for all additional customs fees, brokerage fees, duties, and taxes for importation into your country. These additional fees may be collected at time of delivery. We will not refund shipping charges for refused shipments.The shipping cost does not include any import taxes, and buyers are responsible for customs duties.

Q5) When will you ship my orders?

A5) All orders will be shipped with 24 hours once payment is verified. except for Sunday and some Chinese legal holidays.

Shipping method

We delivery as soon as possible after you pay.

You can track transport information on website we provide.

Transport information will update within 7 days.

Any problem,just contact us,reply you within 24 hours.

About China post ordinary small packet plus,only can be tracked in China,

But this doesn't mean your parcel in China all the time.


Currently, you can pay using Boleto, Visa , MasterCard , QIWI , Western Union , Maestro debit card , WebMoney and bank transfer.

More payment options will be available on AliExpress in the future.


We aim at provide best product & service for you, but as some reason, it will not always goes successfully in dealing with us. However we will not let you suffer any lost and provide return & refund as following:

1. Can't deliver parcel immediately: It will be 24 hours then can we get your payment after you paid. Normally, we can send out 1-3 days after we got your payment. However when it comes holiday or weekend, it will be some days longer. But it should be in our promised handling time.

2. Can't track parcel: Normally Air Mail parcel will show information in 7 days, holiday will longer, please wait some days longer. If still none too long, maybe it has been returned by Custom. We can refund or resend to you

3. Not received parcel: Please view our expected Delivery Time above. If parcel doesn't has information updated for long time, maybe it is passing Custom, please kindly wait. Unfortunately for country Custom/Holiday/Weather/etc reason, time over you still can't get it, please contact us to extend protection time. If over too long can't get , maybe it has lost, we will fully refund

4. Different with description: As color always happens aberration in different monitors, but if it don't affect using, we can't support any dispute for this reason. Maybe your item has some difference as description shown or very small damage in shipping like scratch, if not affecting using, we will offer you some coupon or discount in your next order to make up. But if has gig different in function or badly damaged, we can partly refund without return or fully refund with return, we will offer you preferential terms to make up.

5. Poor quality or you don't want: Our item has been fully test before delivery, it should be no quality problem. But if you think it has poor quality, we will not accept, but we will offer you some coupon or discount in your next order to make up. Or you can return it to us, we will fully refund


If you have any problems with the outcome of the transaction or product, please don't respond with negative feedback before contact us. We are very proud of our customer relations and our feedback rating and will endeavor to fix any problems.

We suggest buyer contact us by Email that can include previous conversation if buyer have issue on the item, so we can know what happen concretely and solve it quickly.

Brand Name


Vocalism Principle


Control Button


Active Noise-Cancellation




Volume Control






Wireless Type


Is wireless


Line Length


Support APP


Plug Type

Line Type

Package List

one pair earphone



Model Number


Support Memory Card






Frequency Response Range

20 – 20000Hz

With Microphone


Main functions

Play/Pause,Previous/Next track,Microphone


Microphone, Voice control, Portable

Dropshipping and Wholesale Support


Based on 0 reviews

5.0 overall

Add a review

  1. R***r (verified owner)

    Excellent very good

    color: Blue x 1


  2. V***v (verified owner)

    Very well packaged.

    color: White x 1


  3. T***e (verified owner)

    I’m so happy, it’s come super fast and in perfect condition!! It works properly, leaves a smile on my face every time I use it. Recommended 100%

    color: Red x 1


  4. E***n (verified owner)

    Excellent product, so far works according to specifications

    color: Pink x 1


  5. C***M (verified owner)

    good value for the money

    color: Red x 1


  6. B***r (verified owner)

    Tried it, and works amazing , very nice buy 100% recommended

    color: Rose Red x 1


  7. E***y (verified owner)

    Tried it, and works amazing , very nice buy 100% recommended

    color: Orange x 1


  8. M***s (verified owner)

    Excellent product, so far works according to specifications

    color: Blue x 1


  9. Y***Z (verified owner)

    very good product, it is awesome buy it 🙂

    color: Yellow x 1


  10. U***r (verified owner)

    Very well packaged.

    color: Red x 1


  11. A***s (verified owner)

    My life immediately became simpler 🙂 easy to use

    color: Greenyellow x 1


  12. T***o (verified owner)

    I got my package thanks!

    color: Rose Red x 1


  13. C***m (verified owner)

    All perfect! Looks very well and arrived very quickly.

    color: Greenyellow x 1


  14. L***b (verified owner)

    Very well packaged.

    color: Black x 1


  15. A***l (verified owner)

    I got my package thanks!

    color: Black x 1


  16. U***n (verified owner)

    Normally I am very critical about my goods but I am going to be honest this item is brilliant and such a good value for money.

    color: Red x 1


  17. A***o (verified owner)

    Excellent very good

    color: Greenyellow x 1


  18. T***s (verified owner)

    Normally I am very critical about my goods but I am going to be honest this item is brilliant and such a good value for money.

    color: Orange x 1


  19. X***x (verified owner)

    Everything works, well packed, it came quickly and without damage, very satisfied with the purchase, its work performs on hurray, thank you very much, I recommend! 5 +++

    color: Greenyellow x 1


  20. J***z (verified owner)

    Excellent very good

    color: Orange x 1


  21. S***a (verified owner)

    Came well packed, delivery is very fast.

    color: White x 1


  22. A***s (verified owner)

    Great, thanks Works perfectly Impeccable packaging and received well in advance

    color: Blue x 1


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