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3040 Bluetooth 5.2 earphone adaptive HiFi TWS headphone Knowles dual Color : White|Blue
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Product Details
  • TWS & Bluetooth 5.2 — True Stereo Wireless Earbuds adpots powerful QCC3040 low latency high-efficiency chip and Bluetooth V5.2 version, bringing a more stable connection, supporting higher-quality sound transmission and providing you a low-latency(reduced to 0.08s) TV watching and game playing experience. apt-X lossless audio analysis for bass enhancement and high, middle and low three-frequency balance
  • Frosted Metal Texture — The earbuds shell is made of Zinc alloy with precision, polished by 6-axis CNC internal cutting and external grinding. The slim, pocket-friendly brushed metal charging case not only charges your earphones but protects them when not in use. Integrated appearance with invisible hinge, high-end style in an astonishingly small size, a perfect partner for commutes and workouts
Haylou W1 True Wireless Earbuds
Stay Live, Stay Young


Knowles dual balanced armature + dynamic drivers
Qualcomm QCC3040 / aptX adaptive / 20h battery life


Dual Balanced Armature. Dynamic Drivers
Experience tri-band equalization effect with dual balanced armature and dynamic drivers and multiple audio codece of AAC and aptX etc.


Knowles Balanced Armature Driver


The dual Knowles balanced armature drivers retain the rich details of the high notes for the main melody, bringing immersive listening experience.
Dynamic Driver
Made with metal composite diaphragm, the dynamic driver keeps the bass and mid tones mellow, pumping out sounds with fuller and richer details.
aptX adaptive codec can automatically adjust per-formance according different scenes, bringing more vivid music and smoother gaming.
20H Battery Life


The earbuds offer 6 hours of playtime on a single charge, while the charging case extends that to 20 hours.


Ergonomic Design
With stylish and ergonomic design, the earbuds perfectly conform to the shape of your ear canal and offer extra wearing stability and comfort.
4 microphones + cVc8.0 + ENC
Utilizing the latest cVc 8.0 noise reduction technology and 4 microphones (2 per earbud), the earbuds reduce environmental noises for crystal clear calls.
Intuitive Touch Control
Tap to play/pause, skip tracks and access your phone’s voice assistant.


IPX4 Water-Resistant


Wear resistant with anti-oxidation vacuum coating technology and IPX4 water resistance defends against liquid any weather condition.


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 10-30 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.


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 citiexpresss (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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3040 Bluetooth 5.2 earphone adaptive HiFi TWS headphone Knowles dual

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