Worldwide Free Shipping On Order Over $30, 30-Days Money-Back Guarantee
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      UiiSii CM5 Sports Headphones is adopted the double diaphragm, which namely is the one mid-deep range dual diaphragm, brings deep bass and delivers ultra clear sound for high-frequency part of music, ergonomic design, different sizes for girls and boys, a trending choice for the live show.


      Main Features:
      ●Cavity upgrade:customized bionic design, optional size for male and female
      ●Secure ear hook design:the use of high elastic TPE wire and ear hook style brings more comfortable wear experience, makes the earphones wear more firmly, will not fall even after strenuous exercise
      ●Drive-by-wire microphone:the audio cable with drive-by-wire microphone built in on the earphones can match your smartphones, music player or tablet
      ●Fashion earphones appearance:night shining star graphene coaxial design for young generation


      Function: Answering Phone,Microphone,Song Switching 
      Material: Metal,PC 
      Model: CM5 
      Type: In-Ear 
      Wearing type: In-ear with ear hook

      Product Details

      Application: DJ,Gaming,Running,Sport 
      Cable Length (m): 1.2m 
      Compatible with: Computer,Mobile phone 
      Connecting interface: 3.5mm 
      Connectivity: Wired 
      Driver unit: 10mm 
      Frequency response: 20-20000Hz 
      Impedance: 32ohms 
      Plug Type: 3.5mm,L-Bend 
      Sensitivity: 104±3 dB

      Dimension and Weight

      Package size (L x W x H): 10.00 x 17.00 x 8.00 cm / 3.94 x 6.69 x 3.15 inches 
      Package weight: 0.2980 kg 
      Product size (L x W x H): 13.50 x 13.00 x 6.40 cm / 5.31 x 5.12 x 2.52 inches 
      Product weight: 0.0170 kg

      Package Contents

      Package Contents: 1 x Earphone, 1 x English Users Manual, 1 x Storage Bag



      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.


      Customer Reviews

      Based on 16 reviews
      budget best earphone

      quality 10/0
      durability 10/10
      sound 10/10
      all are good. go ahead UIISII.

      Best ear phones ever.

      I am a runner and these are the best head phones I've ever had over the yeaars, and I've had many. I listen more to podcasts like "This American Life" than I listen to music (I'm an old fart), and these work great for both. I've had three problems with head phones in the pasts. First, I run along some noisy roads and I often have trouble with the external noise drowning out my music and podcasts. These earphones actually do isolate the sounds I want to hear from the noise. Second, the earphones typically fall out of my ears, even with clips that wrap around. These phones stay in my ears. And third, I keep my I phone in a fitness pouch around my waist, and the jacks in previous phones often lost their connection, either by breaking or working loose. This is not happening with these new earphones.
      These are the best earphones I've had.

      Hi Krieo,

      Thank you for your time sharing your thoughts about uiisii CM5 headphones. We put our heart and soul into creating this product and we are delighted that you have found the quality of the earbuds to your satisfaction. Please don't hesitate to let us know if you have any other comments. We'd love to hear from you!

      Best regards,

      Uiisii team

      Great Sounding Earbuds.

      I am quite pleased with the sound reproduction provided by the UIISII earbuds. I am in agreement with all the positive reviews made of this product.
      I let my wife try them on. She too was impressed with the fit and quality of sound. The noise cancelation is a good feature but, at time, I do prefer to wear the earbuds loosely in my ears. The nice thing about that is they are more comfortable and there seems to be very little loss of sound quality. I will be buying two more pairs; one for my wife, and an extra pair for me.

      Comfortable and good sound quality.

      Headphones are good, no damage, packed beautifully, the sound is excellent! My friends said that it was very nice, it was the best earphones I bought. The vocals are very close to the real voice, and the clear female voice is better than the male voice.

      Durable, good sound quality

      Well Packed and fast delivery