Aviot TE-BD21F True Wireless Earphones

Aviot TE-BD21F True Wireless Earphones

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Aviot TE-BD21F True Wireless Earphones


The world's first hybrid triple driver for a completely wireless earphone. The audio expert team of AVIOT has gathered all the power to make a sound design that sounds beautifully from the ultra low range to the high range, and carefully tunes the 0.1bB level.

We do not take the illusion of boosting the low frequencies and illusion of high sound quality, but based on a flat tone balance, we have both a sound image localization feeling that the vocals give up and float in front of you, and a spacious sound field feeling I was allowed to. Please try the sound quality of the highest level of completely wireless earphones, created with exactly the same idea as high-end full-size audio.


  • One USB Type C
  • Standard earpiece (one pair of each color, one pair S / M / L)
  • SpinFit CP355 (one pair each size SS / S / M)
  • Silicone Strap
  • Cleaning Clothe
  • Storage Pouch
  • User Manual

Aiming for the pinnacle of Japan's complete wireless earphone

Dynamic and balanced armature driver movements in the crossover band with a hybrid triple driver, advanced acoustic design with approximately 2 years of trial and error, and a listening test of over 3,000 hours Even the slightest sense of incongruity due to the difference in characteristics has been suppressed to the limit, and it has succeeded in achieving both delicate and high-speed mid-high sounds and flat and low-distortion bass reproduction. (In order to bring out the original performance of a hybrid driver, we recommend aging for at least 30-50 hours. You should be able to enjoy the sound growth.)

Hybrid driver

A hybrid type that combines a dynamic driver with low distortion in the low-frequency range and a balanced armature driver with high sensitivity and high speed that is good at medium and high-frequency range playback is one of the ideal speaker configurations. However, it is difficult to design and miniaturize crossover circuits, and power consumption increases, so there are few examples of adoption in wireless earphones. AVIOT has mobilized its integration technology and power-saving technology to clear the challenge. Realized downsizing and long playback.

The dynamic driver is equipped with a large neodymium magnet to enhance the responsiveness to the utmost limit and uses an ultra-lightweight, high-rigidity PET titanium composite vibration plate that has been carefully selected through repeated listening tests. The balanced armature driver uses a custom product that is tuned exclusively for AVIOT, focusing on the good connection with this high-performance dynamic driver.

Lightness like a wing that you can't think of as a hybrid TWS

By adopting the latest SoC QCC3020 and the low power consumption design of AVIOT, we realized a continuous playback of up to 7 hours * with a lightweight body of only 5.4g on one side. The SoC also features TrueWireless Stereo Plus, left and right independent communication standard. In combination with a compatible smartphone, the left and right earphones communicate independently, making them resistant to jamming and enabling more stable playback.
* When using a higher-quality aptX codec, or depending on the radio wave conditions and volume, the playback time may be shortened by about 20-30%.

Charging case that protects and charges high performance

It has a sleek design and is lightweight (about 51g), but it has a large-capacity battery that can charge the earphones about 3 times. Up to 25 hours of playback is possible with earphones. A USB Type-C terminal is used to further improve convenience.

With AVIOT, you will be connected more

Utilizing high-frequency circuit design technology and mounting know-how, the built-in antenna of the earphone body is newly designed. We succeeded in minimizing interruptions in the sound even in places where the radio wave environment is severe, such as in trains or on the premises of stations. Enjoy your favorite Ongaku anywhere comfortably.

Aluminum body

The knurled part of the earphones uses discerning parts that are carved out of pure duralumin. In addition to good touch, it can also be expected to reduce the effects of external noise. Since it is something that I usually carry with me, I made every effort to create every detail.

Includes AVIOT-only SpinFit® earpieces

SpinFit is a popular product with a patented structure that changes the angle of the eartip umbrella according to the shape of the ear. It has been supported by developers as well as users who are particular about sound quality and fit, such as being adopted as a standard option for earphones of audio brands that are particular about the sound of countries around the world. This time, CP355, an earpiece made by SpinFit, dedicated to AVIOT, is included.

Comes with a strap to prevent loss

Comes with a strap that connects both earphones so that they will not be lost if one side of the earphones falls. Even during sports such as running, you can use it without worrying about falling.

How to reset the Aviot TE-BD21F True Wireless Earphone

  • With the power off, press and hold down on the button on one side of each earphone for about 10 seconds. If you reset only one of the earphones, you will not be able to pair both of them to your device, so be sure to hold down on the button on both earphones when resetting. Finally, let go when your see the LED turn red, then the resetting procedure will have been completed.
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