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KZ S1/S1D 5.0 Earphones TWS Wireless Touch Control Bluetooth Dynamic Hybrid Earbuds Headset Noise Cancelling Sport Speaker KZ S2

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KZ-S1 charging case upgrade in progress:
1. How to check the power of the charging case:Upgrade “Press the button on case”to”Automatically display the power when the earbuds are put in”. 2. Charging case is back to the original size, smaller and portable During the upgrade period, new and old version will be delivered randomly without optional.
Attention please :
(Before upgrading, you need to press the button of the charging bin to check the power of the charging bin. After upgrading, cancel the button of the charging bin, put the headset directly into the charging bin, and the power of the charging bin will be displayed automatically.)
*The first version of the charging compartment has 3 contacts! The second version of the charging compartment has 2 contacts! The third version of the charging compartment has 2 contacts, and the button key was canceled , the Indicator light changes,the old version of charging interface is type-C interface, and the new version is changed to USB interface . Three versions are sent randomly! If you receive one of these three versions, it is normal! if you mind this situation, please don’t orders! Please understand that! thanks !
*Repeat it! S1/S1D new version of the charging interface is Micro USB interface! ! !
If the headset cannot be charged: please check whether the film on the two sides of the headphones is torn off, please remove the film and try charging again.
Note: The old version had 3 contacts, and the new version changed to 2 contacts. New and old versions are sent randomly.
Please know the version information before ordering: S1D is Dynamic verison (1DD),White and Black ,Not Support Game Mode. S1 is Hybird technology verison (1DD+1BA),Gray and green,Support Game Mode. 2 versions of packaging is different .
True wireless hybrid technology bluetooth headset
Product specifications:
Bluetooth version :V5.0

Bluetooth Range : about 20m

Headset battery capacity:40mA

Battery capacity of charging compartment : 300mA

Headset operation time : ≈ 3H

Standby time of charging compartment : ≥ 100h

Headset weight :10g

Charging compartment weight :45g

Performance innovation, comprehensive upgrade
AAC Advanced Audio Transmission 丨 HIFI Sound Quality
No sense delay game mode 丨 Bluetooth 5.0

Advanced audio coding transmission technology

Professional audio quality comes from the dual protection of chip’s blessing and AAC’s advanced coding ability. AAC advanced audio coding and transmission technology is adopted to greatly improve the listening quality and bring natural and clear sound.

With the unique coding technology of AAC, the music signal has the following advantages in the transmission process

File smaller

Fast transmission

Better qualirt

*Mainstream Android and apple mobile phones support AAC transmission mode, but a few old Android devices cannot support it.

Customized “small steel gun” dynamic unit


Equipped with a “small steel gun” dynamic unit, you can feel the surging power and wide sound range to bring more infectious sound

30095 High frequency balanced armature unit

The independent high-frequency balanced armature unit ,making the voice richer and clearer, interpreting the true timbre of different vocal instruments.


Dynamic + high frequency balanced armature, showing high reduction and separation of sound details.

5.0 Bluetooth chip supports the new generation of low latency game mode

When you are ready to enter the game, tap three times in a row to start the low delay game mode.
Compared with the normal mode, the low delay mode of the game has faster transmission speed of sound signal and more shocking game experience.

Only the KZ-S1 supports the game mode.

Different from traditional TWS headset design

Focus on improving visual appeal and wearing comfort

The ergonomically designed smooth outer cavity lines, metal sounding mouth and colorful matching resin complement each other, giving this unique wireless Bluetooth headset a new cool beauty.

One touch control

Everything is simple from pairing to operating. Just move your fingers, you can easily achieve a variety of needs.

Play / Pause:Touch lightly

Previous song / next song:Double click the left headset / double click the right headset

Start Siri:Long press for 2 seconds

Answer/hang up:Touch lightly

Refuse to answer the call:Long press for calling

Product specifications:

Bluetooth version :V5.0

Bluetooth Range : about 20m

Headset battery capacity:40mA

Battery capacity of charging compartment : 300mA

Headset operation time : ≈ 3H

Standby time of charging compartment : ≥ 100h

Headset weight :10g

Charging compartment weight :45g

common problems:

If you encounter any problems during use, please consult online customer service in time. We will serve you to your satisfaction.

1.Why is the left and right headset switching unsuccessful?

Answer: When the headset is connected to the phone for the first time, the pairing prompt that pops up must be clicked, otherwise the left and right ears cannot be switched freely.

2.When using both ears, only one ear has sound?

Answer:The reason is that the paired headsets are not paired successfully. It is recommended to delete the Bluetooth pairing information and reconnect.

3. headset disconnected?

Answer:The headset will be disconnected when it is out of the valid range of the device,and return to Bluetooth range within 3 minutes it will automatically reconnect

4.Failed to pair with computer?

Answer:Please confirm whether the computer has Bluetooth function. If not, you can assemble a Bluetooth adapter with USB interface

1.Your parcel will be sent within 2 days.

2.The parcel is send by Aliexpress shipping. It is Aliexpress official shipping method, is guaranteed by Aliexpress and with stable and efficient delivery.

3.The pacel also could track at this tracking web:

We do not guarantee delivery time on all international shipments due to differences in customs clearing times in individual countries, which may affect how quickly your product is inspected.

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.

We do our best to serve our customers the best that we can.

We will refund you if you return the items within 15 days of your receipt of the items for any reason.

However, the buyer should make sure that the items returned are in their original conditions.

If the items are damaged or lost when they are returned, the buyer will be responsible for such damage or loss, and we will not give the buyer a full refund.

The buyer should try to file a claim with the logistic company to recover the cost of damage or loss.

We offer the 1 month free replacement. The buyer will be responsible for the shipping fees to return the items.

Buyers may request for a replacement within 15 days from your receipt of the product.

The buyer should return the product in the original conditions to us and should bear the shipping costs for return.

We also provide 12month free maintenance.

The buyer should return the product in the original conditions to us and should bear the shipping costs for return.

If any part is required to be replaced, the buyer should also pay for the costs of the parts to be replaced.

Before returning the items, please confirm the return address and the logistics method with us. After you give the items to the logistic company, please send us the tracking number.

As soon as we receive the items, we will repair or exchange them ASAP.

Your satisfaction and positive feedback is very important to us.

Please leave positive feedback and 5 stars if you are satisfied with our items and services.

If you have any problems with our items or services, please feel free to contact us first before you leave negative feedback.

Shipping & Payment


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 to your country.

How long does shipping take?

Shipping time varies by location. These are our estimates:
Location *Estimated Shipping Time
United States 10-20 Business days
Canada, Europe 10-20 Business days
Australia, New Zealand 10-30 Business days
Mexico, Central America, 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 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 FreshFashions (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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