Q&A

1. What’s the main products? Service?

D&X industry Co,.LTD focuses on TWS Earbuds R&D manufacturer,we provide ODM & OEM services to importers,Whole sellers,Brand carriers,and E marketers.

2.What’s your company advantage?

D&X industry Co,.LTD Co.,(Shenzhen Pujianda electronics Co.,LTD as one of the the workshops also short as PJD) is one of the leading manufacturer in the industry, We provide value-added products and services to our partners by offering most competitive price base on reliable performance & quality.

3.where your factory located ?

We are located in Loucun Guangming Shenzhen P.R.China.You are most welcome to visit us any time.

4. What’s the MOQ ?

MOQ(mimimum of quantity) is 2000pcs.

5. What Bluetooth chips (control systems)do we normally use ?

Airoha,JL,Realteck etc.

6.All the products certified:

All the products are certified by basic certifications like:CE,Rohs,specific certifications pls contact us for more details.

7. what is your delivery time ?

It depends on the quantity and your order requirements. Usually it takes 3-5 working days for sample, 15-25working days for mass production.

8. Can I get a sample before place order ?

Yes for sure, samples are available,sample fees will be returned to you when order confirmed.

9. What is the payment term do you accept ?

TT , Paypal , Western Union, LC.

10. Can I customize the product, such as to print our own logo or make a new design?
Yes, we offer OEM/ODM service.

11 . What kind of packaging do you offer? 

Our standard package for sample is gift box, blister card or plastic bag. For mass production, customized package is available.

12. How does your factory control the quality ?

From material to final product ,we have strict quality checking process. Our principle is zero defective rate. Our QC team is very professional and they will make 100% inspection before shipment.

13.How long is the warranty period?

The warranty time for our products is 1 year from FOB.

14. Why the FM/bluetooth signal is some times so weak?

For FM Signal, Because the Bluetooth speaker is a built-in antenna, painted on the PCBA board, you can connect with a data cable to be an external antenna to enhance the signal, long press”play/pause” automatic search platform.

For Bluetooth signal, due to there are so many mobile connect bluetooth, it will disturb bluetooth signal too much, please give more time or try anther speaker or earphone.

15.What’s the difference between Blue Tooth V4.2 and V5.0  V5.3…..?

Like all technology, V means version,later version means newer technology.




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