New innovative open-fit earphones HUAWEI FreeBuds 4 with high-res sound launches in Singapore



SINGAPORE, 14 JULY 2021 – Huawei today announced the launch of its newly upgraded

open-fit TWS earphones, HUAWEI FreeBuds 4. With open-fit ANC 2.0 technology 1

lightweight comfort, high resolution sound quality and intelligent audio connectivity, HUAWEI

FreeBuds 4 delivers not only audio quality but takes the open-fit ANC listening experience to

a whole new level. Pre-order for the HUAWEI FreeBuds 4 is available from 17 – 23 July with

an exclusive promotion for customers to enjoy $20 off retail value and a free protective casing,

while stocks last.


A new benchmark for comfortable open-fit ANC and tranquil audio experience

In 2019, Huawei introduced the world’s first open-fit ANC TWS earbuds, the HUAWEI

FreeBuds 3, finally allowing consumers to enjoy the comfort of an open-fit wearing style while

also benefitting from the immersive ANC sound quality. After nearly two years of continuous

R&D investment and accumulation of technical expertise, HUAWEI FreeBuds 4 has been

launched, equipped with newly upgraded Open-fit ANC 2.0 technology which has improved

noise cancellation at the hardware and software level, taking open-fit, comfortable noise

cancellation to new levels. The new HUAWEI FreeBuds 4 features dual-microphone noise cancellation technology to deliver upgraded noise cancellation performance. It is the industry’s first set of open-fit . The closer the fit of the earbuds, the greater the noise cancellation effect. Smaller ear cavities allow the earbuds to achieve a greater noise cancellation effect than larger ear cavities. It is recommended to maintain a close fit when wearing the earbuds to maximize the noise cancellation effect.


The earbuds use dual-microphone noise cancellation technology, which ensures that the

microphones pick up ambient noise with far greater accuracy, reaching industry-leading

levels. To enhance noise cancellation effectively across different wearing scenarios, HUAWEI

FreeBuds 4 uses Adaptive Ear Matching (AEM) noise cancellation technology and are the

first open-fit earbuds in the industry to do so. When noise cancellation is switched on, the

earbuds automatically detect the user’s ear shape and determine the optimum noise

cancellation setup for each user, resulting in the most comfortable noise cancellation

experience. Up to 40kHz frequency response for more immersive listening,The HUAWEI FreeBuds 4 use a Liquid Crystal Polymer (LCP) composite diaphragm, which is support a frequency range of up to 40kHz, delivering high resolution sound quality. With no major quality loss, the treble part sounds richer and fuller.What’s more, the HUAWEI FreeBuds 4 is equipped with a 14.3mm dynamic driver, producing greater and more impressive bass sounds.


In terms of bass performance, the HUAWEI FreeBuds 4 adopt a newly upgraded bass

enhancement engine, bass tube and motherboard to form an independently sealed sound

cavity. Compared to FreeBuds 3, the HUAWEI FreeBuds 4 dramatically enhance the

airtightness and acoustic pressure, and the volume of the bass tube is increased by 15%,

which provides intensified resonance effect from the air and diaphragm.

HUAWEI FreeBuds 4 feature Adaptive Ear Matching (AEM) technology in open-fit earphones

for the first time. By automatically detecting user’s ear shape and wearing condition, HUAWEI

FreeBuds 4 can intelligently optimise the audio effect, allowing users to have consistent and

high resolution audio quality regardless of the wearing situation. It will be supported by OTA upgrade in the future.

When ANC is turned off, HUAWEI FreeBuds 4 offers 4 hours of continuous music playback.

Together with the charging case, it can achieve 22 hours of music playback. If the ANC is

turned on, it can offer 2.5 hours of continuous music playback. Moreover, the industry-leading

quick charge technology provides 2.5 hours of audio enjoyment from a 15-minute charge, so

users do not need to worry about the battery level when they are out and about or in a hurry.

“Breathable” build: Ultimate wearing comfort packed in a sophisticated, lightweight

design. Wearing comfort is the key to ensuring an optimal user experience. Compared with its

predecessor HUAWEI FreeBuds 3, the HUAWEI FreeBuds 4 is revamped with 13 size

optimisations, further reducing its body size for a lighter weight. It only weighs 4.1g3 per

earbud. The HUAWEI FreeBuds 4 also brings three enhancements to its overall curvature for

a better fit. The string of optimisations not only enables a more pleasant wearing experience

and increased rigidity, but it also allows for strengthened ANC performance of the HUAWEI

FreeBuds 4.


The charging case of the HUAWEI FreeBuds 4 is just 21.2mm while weighing only 38g, which

is 6.3% smaller and 20.8% lighter than its predecessor. It adopts a symmetrically round

design along with refined craftsmanship, exhibiting a simplistic yet sophisticated feel overall.

The HUAWEI FreeBuds 4 come in colourways including Ceramic White, Silver Frost.

Smart audio connectivity. Leveraging Huawei’s all-scenario device ecosystem and accumulated expertise in wireless connectivity, the HUAWEI FreeBuds 4 bring various connection features, including proximity pairing, pairing via cloud information sharing, dual device connection4 and Audio Connectivity . The earbuds can be connected to any EMUI based devices from Huawei

Data from Huawei labs. Weight varies according to version configuration. Actual weight may vary.

.For tablets and mobile phones, the pop-up pairing function is only available on Huawei devices that run EMUI 10 (or above). For laptops, the function is currently only available on HUAWEI MateBook 16 running PC Manager 11.0.9 (or above). If you have any questions about the feature, usage restrictions, and supported models.

From smartphones to tablets and Huawei PCs, delivering a truly seamless audio connectivity

experience to consumers and ushering in an interconnection era. Dual device connection is supported with HUAWEI FreeBuds 4. Whether it is a Huawei smartphone, tablet, PC, smartwatch or smart display, or any other smart devices running Android, iOS or Windows, any two devices can be connected to the HUAWEI FreeBuds 4 simultaneously. This lets users enjoy their favourite music or show without missing any calls. When a call comes in, the music or show will be paused and seamlessly switched to the call.


The Audio Connectivity Centre within HUAWEI AI Life gives a snapshot of ten recently

connected devices, where users can flexibly switch devices with a simple tap.

As an important device in Huawei’s Seamless AI Life strategy, the HUAWEI FreeBuds 4 come

with comprehensive improvements over its predecessor in terms of noise cancellation,

wearing experience, audio quality and connectivity. Not only does it represent Huawei’s

leading audio strength in the TWS sector, but it also showcases Huawei’s strategy in

delivering Seamless AI Life experience. In the future, Huawei will continue to make

breakthroughs in seamless connectivity and intelligent audio experience, bringing even more

exciting audio products to consumers worldwide.

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