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Shigaraki is also agha. JBL TUNE FLEX, a fully wireless earphone that can be switched between open type and sealed type, will be newly released on October 7th!

詩羽さんもアガる。オープン型と密閉型を切り替え可能な完全ワイヤレスイヤホンJBL TUNE FLEXが10月7日に新発売!

Harman International Inc. has announced the " JBL TUNE FLEX ", a fully wireless earphone that can switch between open and sealed models, from JBL, one of the world's largest audio brands.
They will go on sale sequentially from October 7, 2022 (Friday)!

Bluetoothと2.4GHzの同時接続にも対応!完全ワイヤレスゲーミングイヤホン「JBL Quantum TWS」をレビュー!

JBL TUNE FLEX" will be released on October 7, 2022!


Currently, there are two main types of earphones on the market: open-type ( inner-ear type) earphones that are lightly hooked onto the surface of the ear, and sealed-type ( canal type) earphones that are placed inside the ear.
In the city or on the train, we would prefer to use the sealed type to block out the noise of the surroundings, but there are inconveniences such as fatigue from the tight fit or not being able to hear the sounds around you.

The "JBL TUNE FLEX" solves these problems for users.
By replacing the ear tips, users can now use the earbuds in two ways: open type, which allows listening while listening, and sealed type, which allows them to concentrate on the sound.
This is the first completely new wireless earphone from JBL with this feature.

Switching between open and sealed type

Open type (left) and sealed type (right)

Many users have different tastes in earphones, or want to switch between different types depending on their use or location.
While a wide variety of earphones are on the market to meet the needs of users, JBL is introducing the "JBL TUNE FLEX", which can switch between open and sealed types.
By changing the ear tips, you can switch between the open type, which offers a good spread of sound in the mid to high frequencies, and the sealed type, which offers a direct bass power with excellent fit and sound insulation.

Ear tip case

The ear tips, available in three sizes (S/M/L), can be carried in the included special case, making it easy to change them on the go.
This is a device that is a part of your daily life.

Trendy skeleton design

Skeleton Design

The JBL TUNE FLEX earbuds feature a skeleton design, which has become a trend in the fashion industry.
The transparent parts of the case and earbuds are made of high-grade polycarbonate, which is also used in aircraft windows, and is UV resistant, so the risk of yellowing or deterioration is extremely low.
The intricate internal structure visible behind the transparent case has been completed in a futuristic design that evokes the "Heisei Retro" era, when skeletonization of home appliances and game consoles was popular.

Well-developed functional aspects

Talk-through function allows users to talk while wearing the device

While the aforementioned features are unique to the JBL TUNE FLEX earphones, they are not inferior to other JBL earphones in terms of functionality.
The Ambient Aware function brings in outside sound when necessary, and the TalkThrough function, which makes it so easy to hear voices that you can have a conversation while wearing the earphones, can be easily toggled by simply tapping the earphones.
You'll appreciate the up to 32 hours of continuous playback and the quick charge that allows for two hours of use on a 10-minute charge.


Active noise cancellation allows you to focus on the sound coming out of the earbuds, and two microphones per earpiece ensure clear sound even when you're on the go.
For more detailed specifications, please visit the JBL TUNE FLEX product page!

Product Overview
Type 2-way open-ear type completely wireless earphone
Color Black/White/Purple
Driver size 12mm dynamic driver
Maximum playback time With ANC off: Approx. 8 hours with the earphones + approx. 24 hours with the charging case
With ANC on: Approx. 6 hours with the earphones + approx. 18 hours with the charging case
Charging Time Approx. 2 hours
Waterproof Rating IPX4 (main body of earphones only)
Weight Main body of earphone approx. 4.8g, Charging case approx. 38.6g
Accessories USB Type-C cable for charging, 3 sizes of sealed ear tips, 1 size of open ear tip (pre-installed)
Release date Black/White: Friday, October 7, 2022
Purple: Late October, 2022

MUSIC! Listen to it the way you like it.

JBL will launch its autumn/winter 2022 campaign, "MUSIC! " starting Tuesday, October 4, 2022!
The main cast will be Shiba (@utaha_89_id_ ), the second vocalist of Wednesday's Campanella, and Shigekix (@bboy_Shigekix), a world-class break dancer, and four different videos of them enjoying music on the new products will be shown through TV commercials and outdoor advertisements! The videos will be shown in TV commercials and outdoor advertisements, etc.
For an overview of the new product and the videos featuring Shigekix and Shiba, please visit the Fall/Winter Campaign page.


Sorry, this article is only available in Japanese and 繁體中文. at the moment.

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