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      Dynamic drivers x 4 +Balanced Armaturer drivers*4 surely packs a punch, A dynamic driver is like a mini speaker, armatures are like mini tweeters. The bass is full, the mids are articulate, the highs are sparkling, and the soundstage is extremely realistic and wide. You will love the way of music by UiiSii BN90 .


      Built-in high capacity lithium-ion battery, allowing more than 18 hours play/talk and 450 hours standby time by a single 1.5 hours charge, giving you the power and motivation needed to fuel over a week of workouts.


      Compared with common single-driver earphones on the market, UiiSii BN90 is designed with quad-dynamic drivers (2 balance armature drivers + 2 dynamic drivers for each side) to perfectly reproduce deep bass and crystal crisp treble. This unique design extend the frequency range of sound up to four times and restore the original sound to a most extent.


      Never worry about damaging your earphones during an intense workout in the gym or on a trail. IPX5 sweat resistant design allows you to remain focused on your music or calls and not external sources like dirt or sweat.


      Never worry about damaging your earphones during an intense workout in the gym or on a trail. IPX5 sweat resistant design allows you to remain focused on your music or calls and not external sources like dirt or sweat.


      By adopting Qualcomm Bluetooth 5.0 QCC3003 Chip, UiiSii BN90 offers quicker pairing, stabler connection, better sound transmission and lower energy consumption. The transmission range extends up to 50 feet, your audio will never cut in and out.


      Advanced in-line control with high sensitive MEMS microphone whose performance is equivalent to that of recording studio. Multifunctional key and volume control ensure a easy operation(Play/Pause, Previous/Next song, Adjust volume), no need to take out your device in crowded environment.


      With three fresh shades available, choose the color that matches your style: passionate red, pure white, mysterious black.


      With three fresh shades available, choose the color that matches your style: passionate red, pure white, mysterious black.



      1 x Pair of Headphone
      1 x User Guide
      1 x Carrying Case
      1 x USB Charging Cable
      5 x Pair of Different Size Extra Earplugs






      Drivers 6mm Dual Dynamic Drive& Dual BA Drivers 6mm Dual Dynamic Drives 6mm Dual Dynamic Drives
      Playtime Per Full Charge 18+ hours 15+ hours 15+ hours
      Standby Time Full Charge 
      About 480 Hours About 480 Hours About 480 Hours
      Microphone MEMS MEMS MEMS
      Bluetooth Qualcomm Bluetooth 5.0 Qualcomm Bluetooth 5.0 Qualcomm Bluetooth 5.0
      Waterproof Rating IPX5 IPX5 IPX5
      Price (USD) 70.98 43.99 43.66

      BN90 Video

      Audio Details
      • Speaker: 6mm Dual Dynamic Driver&Dual BA Drivers, 20Hz-20kHz, 32Ω ± 15%
      • Output: 110±3db
      • Microphone: MEMS, - 41dB±3dB
      Battery Details
      • Battery Life: About 18 Hour
      • Battery Capacity: Li-Poly Battery 3.7V/250mAh
      • Earbud Charge Time: 2.5 Hours
      • Standby Time: About 480 Hours
      Bluetooth Details
      • Version: Bluetooth5.0
      • Bluetooth Chip: QCC3003
      • Transmission Range: About 32.8ft.

      General Details

      • Neck Line Length: 0.98ft
      • IP Rating: IPX5
      • Warranty: 1-year warranty





      Terms of Payment

      We accept credit card payments (Visa, MasterCard, American Express, Discover and more), for credit card payments it is support by stripe. Another security payment method is PayPal (PayPal express checkout).

      As a rule payments are processed instantly, however, depending on the payment method and the banking system, sometimes the payment processing may take up to 2-3 business days. 

      Kindly note, as we are not charging payments directly - it may take some time to be processed through the payment systems. In most cases it takes few hours , but can take up to 5 business days. 

      We cannot accept liability for payments being recorded on the wrong account if you supply inaccurate information, but will make every effort to reallocate any such payments if they arise. We cannot accept liability if payment is refused or declined by your credit/debit card supplier for any reason.

      Note: All your money are protect security by PayPal and Stripe. We supuort 30 money back guarantee after you receive our products, check our Shipping&Return Policy

      For more question check our FAQs

      Shipping&Return Policy



      Our shipping teams sole goal is to get your orders processed and dispatched to you in the shortest amount of time. Orders are processed in the morning every Monday to Friday.


      • We support standard shipping by country local post office.
      • Free shipping for order up to $30
      • $5.99 shipping fee for per order less than $30
      • India&Bangladesh all through post express shipping cost 6.99$
      • Please confirm the standard shipping has a probability of being checked by customs for this situation need to customer deliver small tariffs.


      • We usually by DHL/Fedex priority shipping.
      • Priority shipping with 3 - 7 day delivery available to most location, prices vary by location and displayed at checkout.
      • For order value is higher than $60, we suggest choose fast shipping that delivery success rate is guaranteed.

      How Long dose It take an order to my country?


      North America(USA,Canada, Mexico)

      10-20 days

      Australia & New Zealand

      10 - 20 days

      All Europe

      8 – 15 days

      Japan, Singapore & S. Korea

      7 – 10 days

      Rest of Asia

      10 - 20 days

      South America

      20 – 35 days

      Other regions

      20 – 30 days or more.


      North America(USA,Canada)

      5-7 days

      Australia & New Zealand

      5 – 10 days

      Asia 3-5 days



      The shipping choices available from our Site's online store are estimates and do not guarantee the date of delivery. In no event will we be liable for any loss, damage, or penalty resulting from any delay in shipment or delivery. Your package will be processed using the selected shipping method, typically within 1-2 business day of your order being been approved (depending on Product availability and the time of day your order is submitted). After your package has been shipped, you will receive an email containing a shipping confirmation, tracking number and carrier information. In order to avoid any additional return shipping charges, make sure that a household member is there to receive your package. 

      Packages returned to our fulfillment centers, due to incorrect addresses will be subject to return shipping fees. 

      Orders are not processed or shipped on the weekends and holidays. Weekend days should not be considered when calculating your delivery date. 



      • If you can't receive your products due to incorrect address we don't take any responsibility and we don't give a refund.Please double check all information before confirming your order.
      • Days are expressed as working days which are Monday to Friday, and does not include weekends or regional public holidays. 
      • During festive periods, please allow more time for delivery. We do apologize for the inconvenience caused.
      • During certain peak shopping seasons, or during large sales, processing and dispatch time may increase.
      • Tracking is provided on most shipments; not always will online tracking be available.



      You can track the progress of your order in 2 ways:

      Track using your EMAIL address and ORDER NUMBER using a carrier tracking number (if you received one) 

      Alternatively, shipments can be tracked at Aftership


      We're proud of the products we design. 

      For products purchased directly on, we offer a 30 Day Guarantee to ensure your happiness. The 30 day period begins upon the purchase date of your order.Returns will only be accepted if labels and original packaging are fully intact. cannot accept returns where labels have been removed.

      Furthermore, and due to health and hygiene reasons, you have no right to return in-ear products if such product’s packaging has been opened, meaning that the packaging seals are broken.

      You are responsible for the shipping of returned items back to Items lost in transportation will not be compensated for.

      Shipping charges on returned merchandise are at the customer’s expense. However, will not charge additional shipping on exchanges. Refunds for returned merchandise will be made within two weeks of the return of the product, to the original purchaser’s credit card. Note that additional duties and/or taxes will not be refunded. Neither will shipping costs. All exchanges are subject to availability.

      Faulty items will be exchanged to the same type of product in the same size, subject to availability. Refunds for faulty items can be made within the 30-day period following delivery.

      For exchanges and returns send an email to

      For products purchased in-store or from third party online resellers:

      If in the event you purchased a Uiisii product from an in-store retail location or from another online retailer, the 30 Day Guarantee does not apply. Please review our Warranty policy.

      Discount Code Enter Guide

      1. We give every new customers a 10% OFF for you first order, everyrone could ues once for this special welcome discount. Code number: lucky10



      3. If you're checking out on mobile, during checkout, you'll arrive at a screen where you can enter your billing and payment information. At the top of the screen, you will see "Show Order Summary" with a down arrow next to it. Shopify hasn't quite nailed this just yet, but you'll have to manually hit the down button to reveal the discount code field. Enter the code and you're good to go! 

        Customer Reviews

        Based on 31 reviews
        These headphones are growing on me

        A couple of days back I've posted a bit more a critic review and I do think there are some improvements to made there. In terms of sound I was first a little more critical, but I've noticed changing ear tips made a huge difference.The highs are crisp and there's a sparkle to it, the bass has a nice thump and the mids sound good as well. The sound is very balanced and the soundstage is amazing. The soundstage is better with these then the 1More quad in ears that I have.

        Something that bugged me a little bit is the white noise that is quite present with these headphones. A bit like old noise cancelling headphones from Bose, except these are not noise canceling. One tip to reduce this white noise in Windows is to go to sound settings and the enhancements tab and then check Disable all enhancements. This actually helps reducing the white noise.

        There are still improvements that can be made (described in my other review), but overall I'm quite happy with these headphones. I keep getting back to them because of the sound quality. I feel like these headphones deserved another longer term review.

        These headphones are mediocre and could be improved

        I've just recently bought these headphones and I am happy with them and I also think there are a few things that could be improved. That is why I'm posting a bit more a critic review.

        First of all it's important that you get the right fit to get the best sound quality. I have medium ears, but I needed the large tips on these to get the right fit. Overall these headphones have a bright sound. The treble and bass are both tuned up. It does have a great soundstage and detail, but the treble sounds a little too artificial for me. The bass is not overpowering and has a nice thump to it. These headphones might still need a bit of a burn-in before sounding the best. The mids are okay, but not great. Treble and bass stand out mostly.

        One thing that bugs me a little bit is the build-in DAC. There is a quite noticeable background hiss when the headphones are turned on. A bit like the earlier noise cancelling headphones by Bose, except these are not noise cancelling. In this case cheaper materials are probably used for the DAC.

        The earbuds are not magnetic so they do kinda dangle around. The neckband is a little too short to my liking. I like the length better on the Beats X headphones for example. There also is quite a bit of sound bleed so be aware of that too.

        I do like that they are quite small when they sit in my ears. I also like that they are pretty lightweight.

        I prefer a completely flat cable as with the Beats X. I do not like the plastic quality of the inline remote. And the voice prompts are so loud they are deafening my ears. Sometimes the sound quality is bad and you have to reconnect to then get good sound quality. It sometimes is a little wonky. I would like to see an improved version with better quality components for a higher price.

        Comfortable, great quality

        I was a little hesitant buying headphones online. I have always just used the ones included when you buy a new phone. I have pretty small ears and a lot of earbud headphones cause my ears to hurt. I had no problem with these! They fit so secure and comfortable! I also love that they are wireless. I use them at the gym and they keep me from getting all tangled up! Will definitely be buying another pair as a gift for my mom!

        These are awesome.

        I’ve owned a lot of headphones over the years, searching for the best. These earbuds are simply, The Best. Loud and Clear. Great fit. Only thing I’d change, offer a lightning connection.

        Quality, dependable bluetooth earbuds that stay on while you work out

        Pretty solid for workouts, as they stay in your ear without ever falling out. Good amount of ear forms to fit lots of different sizes of ear canals.If it had a USB-C port, that would be ideal, but the included micro-USB works well. I think active young people would benefit most from using these wireless earbuds since these earbuds stay on well during workouts and hikes and runs, but they're a decent choice for more regular household usage as well. Overally, great quality, great fit, great product!


        Let customers speak for us

        799 reviews
        Wonderful headphones

        I finally got my order. Delivery is very fast. The goods are satisfied. The seller is well done, respect!!! My friend bought one, I think the sound quality is very good, the price is still very cheap, I decisively followed him to buy one. This is a hanging ear type, fitness running is very suitable! !

        Not bad.

        For the price, they are a great pair of headphones. They sound good and the bass is decent. I loved the case, it’s well made. The reason why I’m giving them 5 stars it’s because they are extremely comfortable. I have small ears so I need comfy earbuds. This pair fits perfectly and when I’m working out I don’t have to worry about if I’m going to lose them! I love the ear clip it gives me a feeling of security.

        Earbuds just OK

        Cool headphones, good sound in general, good bass. In the ear sit well, but with unaccustomed slightly rubbing. If you smile widely to the ears, then fall out: dEach earpiece is defined as a separate device if you use one at a time.

        best costumer service ever!

        As soon as I received it, I immediately put it to the test under following situations:

        - Yoga, where my head was upside down and sideways a lot, with lots of arm movement and up-and-down poses
        - Jogging, where there was a lot of bouncing and noise from the treadmill
        - HIIT, where there was a variety of upper body and lower body movement
        - Hour-long public transit commute with my eye glasses on

        Here’s what I learned:

        Overall, it worked great and stayed on without any adjustments. Though the cord flopped around a little bit, I didn’t find it uncomfortable. During my run, I did notice that I could hear the vibration/noise of the cord rubbing up against something. It eventually became white noise, though.

        I probably need to use a smaller earbud because after about 45 minutes, it started to bug my ear. The hook that goes over the ear was pretty comfortable, even with my glasses.


        I've had these about a month. So far I am pleased. They meet my needs for a day on a single charge for off and on listening during my commute and during work breaks. The sound quality is good, and the range is adequate to my needs. Bluetooth connectivity has not been an issue. They work as intended.

        Hi, VANCE

        Thank you so much for your support.

        We are very happy that you are satisfied with our products and your satisfaction is of great significance to us.

        We always do our best to provide good quality products to our customers and stand behind our product and responsible for them.

        Best Regards