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KZ S1 S1D TWS True Wireless 5.0 Bluetooth Earphones Dynamic/Hybrid Earbuds Touch Control Noise Cancelling Sport Headset KZ S2 Z3
KZ S1 S1D TWS True Wireless 5.0 Bluetooth Earphones Dynamic/Hybrid Earbuds Touch Control Noise Cancelling Sport Headset KZ S2 Z3
KZ S1 S1D TWS True Wireless 5.0 Bluetooth Earphones Dynamic/Hybrid Earbuds Touch Control Noise Cancelling Sport Headset KZ S2 Z3
KZ S1 S1D TWS True Wireless 5.0 Bluetooth Earphones Dynamic/Hybrid Earbuds Touch Control Noise Cancelling Sport Headset KZ S2 Z3
KZ S1 S1D TWS True Wireless 5.0 Bluetooth Earphones Dynamic/Hybrid Earbuds Touch Control Noise Cancelling Sport Headset KZ S2 Z3
KZ S1 S1D TWS True Wireless 5.0 Bluetooth Earphones Dynamic/Hybrid Earbuds Touch Control Noise Cancelling Sport Headset KZ S2 Z3
KZ S1 S1D TWS True Wireless 5.0 Bluetooth Earphones Dynamic/Hybrid Earbuds Touch Control Noise Cancelling Sport Headset KZ S2 Z3
KZ S1 S1D TWS True Wireless 5.0 Bluetooth Earphones Dynamic/Hybrid Earbuds Touch Control Noise Cancelling Sport Headset KZ S2 Z3
KZ S1 S1D TWS True Wireless 5.0 Bluetooth Earphones Dynamic/Hybrid Earbuds Touch Control Noise Cancelling Sport Headset KZ S2 Z3
KZ S1 S1D TWS True Wireless 5.0 Bluetooth Earphones Dynamic/Hybrid Earbuds Touch Control Noise Cancelling Sport Headset KZ S2 Z3
KZ S1 S1D TWS True Wireless 5.0 Bluetooth Earphones Dynamic/Hybrid Earbuds Touch Control Noise Cancelling Sport Headset KZ S2 Z3
KZ S1 S1D TWS True Wireless 5.0 Bluetooth Earphones Dynamic/Hybrid Earbuds Touch Control Noise Cancelling Sport Headset KZ S2 Z3

KZ S1 S1D TWS True Wireless 5.0 Bluetooth Earphones Dynamic/Hybrid Earbuds Touch Control Noise Cancelling Sport Headset KZ S2 Z3

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

Product specifications
Please know the version information before ordering:
S1D:Dynamic verison (1DD),White and Black .
S1 :Hybird technology verison (1DD+1BA),Gray and green.
The boxes of the two versions are also
inconsistent
Box Battery: 300mA
Earphone Battery: 50mAh
Working time: 3-4 Hours
Waterproof: IPX6
Charging time: About 1 Hour
Please Attention :
True wireless hybrid technology bluetooth headset
KZ-S1 Performance innovation, comprehensive upgrade
AAC Advanced Audio Transmission HIFI Sound Quality
​No sense delay game mode Bluetooth 5.0
Note:​KZ-S1S1D 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.
(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! ! !














Brand Name:
KZ
Style:
In-ear
Certification:
NONE
Vocalism Principle:
Hybrid technology
Origin:
CN(Origin)
Control Button:
No
Active Noise-Cancellation:
No
Communication:
True Wireless
Volume Control:
Yes
Sensitivity:
111±3dB
Wireless Type:
bluetooth
Is wireless:
Yes
Line Length:
Nonem
Support APP:
No
Function:
Common Headphone
Function:
For Mobile Phone
Function:
HiFi Headphone
Function:
Sport
Plug Type:
NONE
Package List:
User Manual
Package List:
Charging case
Package List:
Charging Cable
Connectors:
None
Model Number:
KZ S1\S1D
Bluetooth Version:
5.0
Codecs:
AAC
Support Memory Card:
No
Resistance:
24Ω
Waterproof:
Yes
Frequency Response Range:
20 - 20000Hz
With Microphone:
Yes
Features:
With Microphone
Bluetooth:
5.0
S1D:
Dynamic verison (1DD)
S1:
Hybird technology verison(1BA+1DD)
Hybird technology:
Gray \ green
Dynamic:
White \Black
Chip:
QCC3020

SHIPPING AND DELIVERY

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 10-30 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.

REFUNDS & RETURNS POLICY

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.

Refunds

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 Buying & arriving (i.e. not cleared by customs, delayed by a natural disaster).
  • Other exceptional circumstances outside the control of https://fastedoor.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.

Exchanges

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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