"Complete wireless earphones" that free you from the hassle of cables have become commonplace, and now attention is focused on models equipped with the "ANC" (active noise canceling) function that can cancel out ambient noise and obtain silence. There is. However, it is also a fact that the price was mainly in the 20,000 to 30,000 yen range and it was difficult to get it.
"HUAWEI FreeBuds 4i" ¥ OPEN (estimated market price: 9,680 yen, tax included) In the meantime, products in the affordable price range of less than 10,000 yen have appeared, and ANC has changed from "special function" to "more familiar function". It can be said that it became. Therefore, this time, we will pay attention to the new product " HUAWEI FreeBuds 4i " packed with the latest technology at a price of less than 10,000 yen, and thoroughly review it.
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■ Neucan is installed at a price of less than 10,000 yen, and battery performance is also enhanced . The feature of this machine is that it is equipped with an ANC function at a price of less than 10,000 yen. It's a very important point, so first of all, I would like to touch on ANC. It is a function that picks up ambient noise (noise) with a microphone and neutralizes (cancels) it electrically (actively). A technique for synthesizing sound waveforms with high accuracy is required, and if this is not done properly, not only will a sufficient canceling effect not be obtained, but the sound quality will also be adversely affected. Especially in the less than 10,000 yen class, there are some "ANC earphones with just the name" that are hard to feel the effect, so be careful. The scale and achievements of the manufacturer can be used as a guide, and in that respect, HUAWEI can be said to be a reliable entity. In addition to being equipped with a set of decisive functions at the time of purchase, it is also equipped with a set of decisive functions at the time of purchase, such as external sound capture and clear voice capture during calls that apply beamforming with dual microphones. These are also "easy" to describe in the specs, and "difficult" to actually exert their effects, so we will check them in detail in this review. Another point of this machine is the battery life. Although it can be said that it is a very important performance for earphones, this unit has a relatively long time of up to about 10 hours (* 1) when playing music. And the ultimate is the quick charging performance (* 2) that can be played for about 4 hours with a 10-minute charge. This area, including the adoption of rechargeable batteries with high energy density, can be said to be unique to HUAWEI, which is strong in mobile devices such as smartphones. * 1 The data is based on the test results of Huawei Lab when the earphone body is fully charged, ANC is turned off, the volume is set to 50%, and AAC mode is enabled. * 2 80% for the charging case. When the above battery remains. Also, the playback time is when ANC is turned off, the volume is set to 50%, and the AAC mode is enabled. Based on the test results of Huawei Lab ■ Design that fits in your hand, fit and usability are excellent . When you pick up the charging case, it will be rounded and fit in your hand. Compared to the previous model "HUAWEI FreeBuds 3i", it seems that the design and belongings have become more sophisticated. The design is inspired by Iceland's black sand beach, but it's practical because it's easy to put in your pocket and fits well. "HUAWEI FreeBuds 4i" (left) / "HUAWEI FreeBuds 3i" (right) The earphone body is also designed with a curved surface to maintain consistency, and at the same time, the inner surface that touches the ear from the nozzle is an organic 3D curved surface. , The fit is also excellent. After conducting mounting tests thousands of times, I am convinced that the design is based on ergonomics. The high degree of airtightness is directly related to the sound insulation performance, and it is also greatly related to the effectiveness of ANC and sound quality, so I am looking forward to listening to it. Design that is rounded and fits in your hand "Pop-up & Connect" is convenient in terms of usability. It is a condition that EMUI 10.0 or later is running on the HUAWEI terminal, but if you open the lid of the charging case and press and hold the pairing button, a pop-up will automatically appear on the smartphone screen and pairing will be completed just by tapping. .. It is also convenient to display the remaining battery level of the earphone and charging case during normal use. Of course, you can pair with smartphones of other companies in the same way.Easy pairing with pop-up & connect
