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Product Details

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Undifferentiated sound quality
AA-UM1: For nornal life
AA-UM2: For sports


Premium Sound Quality:
Enjoy powerful sound that’s beyond comparison.Produces accurate vocals, powerful low frequencies and balanced mid frequencies.

bluetooth 5.0:
bluetooth 5.0 technology, using the latest bluetooth technology of version 5.0, it can be compatible with the old version, bringing the advantages of faster and longer transmission distance. Adopt true wireless technology, enjoy your wirelessly sports.

Firm Fit:
Ergonomical design, ultra-lightweight, free of burden with long time wearing.The flexible earhook fits any ear shape.It’s stable and compatible, suitable for doing sports.

IPX5 Waterproof:
IPX5 waterproof, no fear of rain and sweat and enjoy sports as much as you like.
Portable Braid Snow Cancas Charging Case
Hard cases easily scratch and break, but our soft case has superior durability and impact resistance.


Model :AA-UM2
Color :Black
Mechanical Materials :PC+ABS+Snow Canvas
Earbud Type :Ear Hook

Dimensions :
Charging Box: 10.7*7.5*4.1cm
Earbud: 36*15mm

Weight :
Single Earbud: 10g
Charging Case: 63g
Total Weight: 83g

Certifications: FCC, RoHS, CE

Technical Parameters:

Microphone: Yes
Magnetic Absorption :Yes
Control Type :Wireless Connection
bluetooth Version :V5.0
Certifications: FCC, RoHS, CE
Operating Distance :10m
Input Voltage :DC5V
Impedance : 16Ω
Frequency Response :20-20KHz

Battery Capacity:
Earbud: 80mAh Polymer battery
Charging Box: 480mAh Polymer battery

Charging Time:
Time in Charging the Earbuds——1h
Time in Charging the Battery Case——2-3h

Music Time: 8-10h(At 60% Volume)
Call Time: 7-8h
Standby Time: 150h

Package includes:

1*AIRAUX AA-UM2 bluetooth Earphone
1*Charging Case
1*Charging Cable

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 3-10 Business days
Canada, Europe 7-15 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 Premier Workout (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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BlitzWolf AIRAUX UM2 TWS Sport Earphones Firm Fit Headset Wireless bluetooth Earphone HIFI Handsfree Headphone IPX5 Waterproof

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