Bluetooth 5.0 Aptx LL Low Latency Airplane Airline Flight Adapter Wireless Transmitter For Bose QC45 700 QC35 AE2W Headphones

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Estimated Delivery Date: Saturday, Jun 29

Due to high demand, please allow at least 2-4 weeks for delivery.

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Product Details
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Product Details

Product Datasheet

Bluetooth Version Bluetooth 5.0+EDR, Class II
Bluetooth Profile Version HSP, A2DP, AVRCP
Music Format Codec Aptx Low Latency, Aptx, AAC, SBC
Support to pair with 2 bluetooth headphones Simultaneously
Multipoint Connection
Barrier-Free 10m
Bluetooth Distance
Bluetooth Frequency Range 2.402-2.480Ghz
Output Connection
Aux 3.5mm Audio input/output, Airplane Audio Input.
Built-in Battery Built-in Li-Po 250mAh Battery
Charging Port Micro USB 5V/0.5A
Working Current <25mA
Charging Current 200-300mA
Working Time At least 10 Hours
Charge Time about 1.5 hours
Net Weight 26g
Item Size 52 *32*8.6mm
Gross Weight 80g
Material ABS+PC

Product Introduction

1)Simplify The Surface and Operation:
SZXEST simplified the appearance and layout of buttons. There are only 2 buttons on the surface, one for multifunction and another for TX/RX mode switching. One key to switch between transmitter and receiver function.
2) Transmitter Mode:
Turns the computer/TV into a Bluetooth audio “source” device, pair with Bluetooth speakers/headphones.
3) Receiver Mode:
Upgrade your non-Bluetooth speaker/car stereo/headset into a Bluetooth one, pair with Bluetooth senders like phones, MP3s, PCs, Tablets, Laptops.
4) Portable Little Gadget:
Small and handy Bluetooth transmitter and receiver, suitable for carrying use without taking much space.
Important Pairing Instructions
TX Mode:
1. Turn on SZXEST in TX mode;
2. Connect it with a non-Bluetooth device (TV or PC);
3. Turn on your Bluetooth device (headphone or speaker);
4. Keep the distance between your Bluetooth device and SZXEST within 1 meter. (It may take 5-30 seconds to pair.)
RX Mode:
1. Turn on SZXEST in RX mode;
2. Connect it with a non-Bluetooth device (wired headset or car stereo)
3. Search SZXEST on your Bluetooth device and click to connect (smartphone or tablet)
Product Features:
1)Connection to All
Find Bluetooth in all your devices. SZXEST comes with a 3.5mm audio cable, 3.5mm Female to 2 RCA and an airline adapter, allowing connection to TV, car stereo and PC, etc.
2) CD-like Wireless Audio
Worry about lost sound quality? SZXEST adopts a premium CSR chip in order to keep the authentic sound quality, delivering Hi-Fi sound to your wireless device.
3) Broader Connecting Range
SZXEST allows up to 10m/33 feet long-distance Bluetooth connection. It’s time to get rid of the wire’s limitation and enjoy wireless freedom.
4) Enjoy Wireless In-Flight Entertainment
Let’s replace the uncomfortable earphones provided by airlines with your Bluetooth headset. With SZXEST Bluetooth transmitter and airline adapter set, you can easily and comfortably have the in-flight entertainment thought the journey.
5) Having a Quiet Movie Night
After having a long day, put on your headset and enjoy a nice movie on TV with SZXEST connecting your television in TX mode, and leave a quiet night for your family.
6) Find Bluetooth Music in Driving
Want to be surrounded by music in a long drive? SZXEST can save you from a boring road trip. With the SZXEST connecting to the car stereo in RX mode, you can stream beautiful music from your phone to the car stereo.
7) Start Your Day with Music
Add some music to your breakfast with SZXEST connecting to a wired stereo in RX mode. Just feel free to stream music from your phone to the stereo.
1).Every SZXEST product has a 12-months warranty. Any question, fell free to contact SZXEST.
2). SZXEST is NOT support for professional music instruments like Guitar, Piano etc.


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Shipping & Payment

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.


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 deidouss (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.


How much do you charge for shipping?

We provide free shipping to over 200 countries around the world*
*with some exceptions

Will I be charged any shipping, customs or duties fees?

No, the price you see is the price you pay - you won't be charged any extra fees.

When will you ship my order?

If you order an in-stock item, we’ll ship it within 3 working days.

How long will my order take to arrive?

Orders are shipped by EMS or USPS. Typically, delivery takes 5-20 working days after dispatch, but it may take longer due to factors beyond our control.

Do you provide tracking information?

You will receive your tracking information within 3-5 working days. But sometimes tracking might not be available if free shipping applies. In this case, please contact us at

Can I cancel my order?

You can change or cancel your order within 12 hours. Please contact us at

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