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      FOUR DRIVERS. FOCUSED CLARITY

      Dynamic drivers x 4 +Balanced Armaturer drivers x 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 .

      18 HOURS LONG PLAYTIME BY A QUICK CHARGE

      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.

      FOUR DRIVERS, FABULOUS PERFORMANCE

      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.

      WATERPROOF DESIGN FOR HARD WORKOUT

      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.

      WATERPROOF DESIGN FOR HARD WORKOUT

      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.

      BLUETOOTH 5.0&AUTO PAIRING

      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.

      SENSITIVE MICROPHONE&FOOLPROOF OPERATION

      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.

      THREE COLORS, THREE MUSICAL EXPRESSION

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

      THREE COLORS, THREE MUSICAL EXPRESSION

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

      Description

      WHAT YOU GET

      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

      COMPETITIVE ANALYSIS

      Product/Features

      BN90 

      BN80 

      BN60 Lite

      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) 59.99 44.99 29.99

      BN90 Video

      SPECIFICATION
      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

       

       

      DOWNLOADS

       Manual

      Terms of Payment

      We accept PayPal (PayPal express checkout) and Card Payments (Visa, MasterCard, American Express, Discover, etc.) by Stripe.

      You can safely enter your entire credit card number via our secure server, which encrypts all submitted information. 

      Please provide a valid credit card and correct credit card information, otherwise payment will be rejected. 

      Note: Your transaction and payment details are handled by Stripe and Pay pal, our secure payment service-provider that upholds strict banking standards. 

      Your credit card details are sent directly to the bank and cannot be read or accessed by any other parties than your bank.

      Shipping & Return Policy

      Shipping Plolicy:

      What Shipping Methods Do You Provide?

      Our shipping team's sole goal is to get your orders processed and despatched to you in the shortest amount of time.  We provide two shipping methods for you: Standard shipping and Fast Priority shipping.

       

      STANDARD FREE SHIPPING
      • We provide standard free shipping for orders over $30.
      • Standard shipping is handled by the post office and usually takes 10-18 days for shipping

       

      FAST PRIORITY SHIPPING
      • We select DHL/ FedEx express for priority shipping.
      • Priority shipping with 3 - 7 day delivery available to most locations, 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.
      • Please note all EU countries and Canada impose tariffs for commercial express. Tariffs will be paid by the customer when the product is delivered, so we recommend that customers in these regions choose standard shipping.


          How long does it take to receive my order?

          STANDARD SHIPPING

          North America(USA,Canada, Mexico)

          10-16 days

          Australia & New Zealand

          10 - 20 days

          All Europe

          6 – 14 days

          Japan, Singapore & S. Korea

          7 – 10 days

          Rest of Asia

          10 - 20 days

          South America

          20 – 30 days

          Other regions

          10 – 30 days or more.

          FAST PRIORITY SHIPPING

          North America(USA,Canada)

          – 7 days

          Australia & New Zealand

          5 – 10 days

          Asia 3  5 days

           

          How to tarck my order?

          Once you have placed an order we will send you a confirmation email. After your package has left our warehouse and begun the delivery process, we will send you another email with a final confirmation and tracking number.

          Using the tracking number you can follow the stages of delivery on your chosen shipping company's website for an estimation on when your product will arrive.

          For more detailed tracking information for your order, try copying & pasting your tracking number into the search bar here: After ship tracking
          This website will show you the most up to date tracking information with your local mail carrier.

          Key Poins To Note:

          • If you can't receive your products due to an incorrect address we don't take any responsibility and we don't give a refund. Please double check all information before confirming your order.
          • If you need to make changes to your order, please email us within 24 hours of placing your order and we will be happy to make the required changes. If your order has already been shipped we will not be able to change it unfortunately.
          • During festive periods, please allow more time for delivery. We do apologize for the inconvenience caused.
          •  Note that delivery times may be longer than usual when the parcel reaches the destination country if unexpected delays occur when handed over to the local express service. (Usually didn't happen)

           

          Returns Policy:

          For products purchased directly on www.uiisii.com, we offer a 30-day return guarantee to ensure your happiness. The 30 day period begins upon the purchase date of your order. Please Click Here go to our help center submit return request and reason.

          Please note, we only accept unopened original packaging products return due to health and hygiene reasons. It is your responsibility as a customer to cover the return shipping costs and if Items lost in transportation will not be compensated for. If you would like to track your return, please check with your logistics company/post office.

          Refunds for returned merchandise will be made within two weeks of the return of the product, to the original purchaser’s credit card.

          Items bought from authorized retailers cannot be returned to us.

          Warranty Policy

          Uiisii One Year Limited Warranty

          Uiisii electronic.,co Ltd (“Company”) hereby warrants that, under normal use, this product will be free from defects in materials and workmanship for a period of one (1) year starting with the original retail purchase date. The replacement warranty is valid only if the original proof of purchase issued to the purchaser, specifying the date of purchase, is presented with the product to be replaced.

          What will be done in the event of a warranty claim?

          Uiisii does not honor any warranty claims that are not accompanied by the original documentation. To get the product repaired or replaced under this limited warranty, you must first contact us and include the following: Click here go to uiisii help center and submit a valid claim request under the Warranty, including:

          A short description of the defect/malfunction
          The proof of purchase (your order number or order screenshot.)
          Your name, address, e-mail, and phone number

          Once your warranty claim is reviewed by uiisii we depending on the individual circumstances, provide Warranty service through one or more of the following options:
          (a) repair your product using new and/or previously used parts that are equivalent to new in performance and reliability.
          (b) replace your product with a product that is at least functionally equivalent to the product and is formed from new and/or previously used parts that are equivalent to new in performance and reliability.
          (c) refund your purchase price in exchange for the return of your Product.


          The Uiisii Warranty does not cover:

          This warranty is not covering all the Accessories, Spare Parts, Replacement Parts items. They are wear and tear items, and damage that naturally and inevitably occurs as a result of normal wear or aging.

          Didn't Purchase directly from uiisii official store(www.uiisii.com) but other third-party sellers.

          Defects and damages due to dropping, mechanical damage, dirt, cerumen, damp, moisture, chemical products, abnormal impact damage, loss, theft, fire or force majeure.

          Esthetical changes, defects, and damages due to normal wear and tear, or aging.

          Customer Reviews

          Based on 36 reviews
          78%
          (28)
          14%
          (5)
          8%
          (3)
          0%
          (0)
          0%
          (0)
          T
          T.T.
          Winston P.

          The product was received and packed intact. The Bluetooth connection was quick and easy, and 2 earbuds were tested. The sound is clear even if there is no burnt in it. Choose the earplugs that suit you, and wear it to run without falling off. I am very satisfied with it.

          N
          N.B.
          Great sound en fit

          I'm using it for a couple of months, also during jogging. They stay in place during jogging, which is very important.
          Negative points: The voice-over is too loud for my ears and I don't like it that there's a light when turned on.

          K
          K.G.
          Sports headphones you need

          I want Bluetooth headphones with a good configuration, and the customer service recommended it to me. I bought it with a mentality of trying it out. The product is beautifully packaged, the sound quality is great, which is suitable for my running. I really like its design. Uiisii sending many accessories and earphone storage bags, which are very practical. Thanks for the service.

          D
          D.
          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.

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