Huawei introduces TWS earbuds HUAWEI FreeBuds4 in Kazakhstan with enhanced noise cancellation technology
Author - Mansur Ismagulov
The Tech AI
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Huawei has introduced the FreeBuds 4 wireless earbuds, featuring Open-fit ANC 2.0 noise cancellation technology and an LCP composite diaphragm. Each earbud weighs 4.1 grams, while the charging case weighs 38 grams with a thickness of 21.2 mm. Battery life reaches up to 22 hours with the case, and fast charging provides 2.5 hours of playback in just 15 minutes. Sales begin on August 6 at a price of 79,990 tenge.
Huawei introduces the HUAWEI FreeBuds 4 wireless Bluetooth earbuds featuring open-type Active Noise Cancellation (ANC) 2.0 technology.
What has changed?
Compared to the previous version, the device has become even lighter and more comfortable to use. The new earbuds deliver high-quality sound and fast connectivity to smartphones and other devices. The HUAWEI FreeBuds 4 feature an updated proprietary Open-fit ANC 2.0 noise cancellation technology at both the hardware and software levels, specifically designed for open-structure earbuds. Thanks to two microphones, the system captures ambient noise with enhanced accuracy and achieves maximum noise neutralization.
To improve noise cancellation effectiveness in various scenarios, the HUAWEI FreeBuds 4 are equipped with Adaptive Ear Matching (AEM) technology. When the noise cancellation system is enabled, the earbuds automatically detect the shape of the ear canal and select the optimal combination of settings, ensuring maximum user comfort regardless of the surrounding environment.
What are the specifications?
The new HUAWEI FreeBuds 4 utilize a composite diaphragm made of liquid crystal polymer (LCP), capable of reproducing frequencies up to 40 kHz, ensuring high sound quality and resolution. Additionally, the HUAWEI FreeBuds 4 are equipped with 14.3 mm dynamic drivers that deliver powerful bass. Low-frequency reproduction is further enhanced by an updated low-frequency module, bass tube, and circuit board, which form an independent sealed acoustic cavity. Compared to the FreeBuds 3, the new model offers improved air tightness and higher acoustic pressure. The volume of the bass tube has been increased by 15%, enhancing diaphragm resonance.

Each earbud weighs just 4.1 g, ensuring comfortable all-day wear. The HUAWEI FreeBuds 4 charging case has a thickness of 21.2 mm and weighs 38 g — it is 6.3% more compact and 20.8% lighter than the previous model. The case features a symmetrical rounded body with a minimalist finish.
HUAWEI FreeBuds 4 offer several new connection options, including remote and cloud-based connectivity, as well as dual-device pairing across any operating system. This allows users to enjoy their favorite music or shows without missing calls and notifications from their mobile device. For instance, when a call comes in, music or video playback is paused, and the earbuds switch to call mode. The Audio Connection Center, part of the HUAWEI AI Life ecosystem, remembers the 10 most recently connected devices and allows users to switch between them with a simple touch.
With the noise cancellation system turned off, the HUAWEI FreeBuds 4 can play music for up to 4 hours, and with the charging case, total battery life extends to 22 hours. Advanced fast-charging technology allows for 2.5 hours of audio playback with just a 15-minute charge.
What about prices and availability?
Sales of the HUAWEI FreeBuds 4 wireless earbuds begin on August 6 at a recommended retail price of 79,990 tenge. The device will be available in shimmering silver and ceramic white finishes at official HUAWEI stores and partner retailers. Pre-orders starting from July 27 will include a free Huawei Band 6 fitness tracker with the purchase of the HUAWEI FreeBuds 4.

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