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      Charging on the go

      Independent use one earbud while charge the other one. In this way, it can reach an up to 6 hours no-stop calling time a day.

      Immersive listening experience

      Bluetooth®5 + Stereo Audio DAC+Smart Dynamic Gain

      Keep distance

      Up to 40ft(12M) steady wireless range

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      Touching control

      Lots of options for example from answering calls to waking up Siri or Google can be done easily by tapping the earbuds.

      Dancing in the rain

      plasma sprayed nanostructured ceramic coating-IPX5 Water-resistance

      Ergonomic fit for everyone

      We tested thousands of ears! No matter how hard you shake, it just won't fall out.

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      The sound you can see.

      The sound audio engineers of UiiSii never hide that they are talented. The beautiful timbre comes from 13mm Speaker in UiiSii SongBirds Semi In-Ear makes you almost forget that you are experiencing a pair of budget wireless earbuds.

      Immersive sound.

      • 3D surround sound
      • Build-in DAC for beautiful timbre
      • Micro AMP module for HD Audios
      • Acoustic Wave Guide Damper
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      Tap them up.


      • Answer or reject calls
      • Hang up
      • Select previous or next Track
      • Volume up or down
      • Wake up smart assistants Siri or Google

      Follow the rhythm,let’s shake!

      Stable & Comfortable Fit

      • Lighter then a cent.
      • Classic bird's beak shape, Half In-Ear Wireless Headphones.
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      Non-Stop Calling.

      Using While Charging

      • Up to 6 hrs for calling under Mono mode
      • A must-have for calling while driving

      Charging on the go.

      8 Minutes Fast Charging

      • Long-lasting case support 4 times of charge.
      • Around 1 hrs of listening time on only 8 minutes of charging.
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      UiiSii TWS21 SongBirds

      The Best budegt bluetooth 5.0 earbuds for amazing sound

      3D ambient surround sound

      The home theater sits in your ears

      Say”Hi” to your Siri, Say”OK”to your Google. 

      Wake up smart assistants by tapping

      *May vary dependent on usage, device & aging.