World's First Hybrid Triple Drivers True Wireless Earphones

  • VGP Lifestyle 2020 and 2019 Summer Gold Award and Lifestyle Award

  • *World's first True Wireless Earphones equipped with a hybrid triple drivers, aiming for the apex in sound

  • “Japan tuned” sound quality

  • Latest QCC3020, continuously play for a maximum of 7 hours

  • Light and compact at only 5.4g per side, IPX5 level waterproof 

  • Newly developed internal antenna, eliminating drop out even in places with high interference

  • Aluminium composite body, helps prevent the influence of outside noise

  • AVIOT exclusive CP355 earpieces by SpinFit

    *According to the July 2019 survey

AVIOT TE-BD21f Black

    • Drive method:  Hybrid type combining dynamic and balanced armature types.

    • Driver: Dynamic type x 1 unit, balanced armature type x 2 units

    • SoC: Qualcomm QCC3020

    • Driver size: 9mm (dynamic type)

    • Built-in mic for talking:: MEMS mic

    • Replay frequency: 20Hz - 20kHz

    • Earphone weight: roughly 5.4g (per side)

    • Maximum talking time: 6 hours

    • Maximum playing time: 7 hours *When apt-X is used for the coding, the playing time is approximately 20%-30% shorter.

    • Charging time: Approx. 2 hours

    • Supported coding: SBC, AAC, aptX

    • Supported profiles: A2DP, AVRCP, HFP, HSP

    • Charging port: USB Type C

    • Waterproof specification: IPX5

    • Bluetooth version: 5.0

    • Number of Bluetooth multi-pairing registrable devices: 7

    • Bluetooth multi-points: 1 device


    • USB Type C cable x 1

    • Standard earpiece of each size x 1 color x 1 pair S/M/L

    • SpinFit CP355 of each size x 1 pair SS/S/M

    • Pouch

    • User manual

Winner Smart International Limited



(852) 2618 7388



© 2020 by Winner Smart International Ltd

Winner Smart Customer Service Centre



Unit 3108-09, 31/F, Clifford Centre, 778-784 Cheung Sha Wan Road (Lai Chi Kok MTR Station Exit B), Hong Kong


Opening Hours

Monday to Friday

(Except Public Holiday)

9:30am - 12:15pm / 1:30pm - 6:00pm



(852)  2618 7388


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