HUAWEI Band 4 Review: the Same with Honor Band 5i?
By Joe Horner 2019-10-23 20279 2
HUAWEI Band 4 Outlook
In terms of appearance, the Huawei Band 4 uses a 0.96-inch color screen and weighs just 24g. It's very light. Like the previous Huawei Band 3/3 Pro, the Huawei Band 4 have a rectangle HOME key under the touchable screen, which is very convenient to operate. In addition, the Huawei Band 4 provide black, orange and pinkish white 3 colors to choose from.
Huawei Band 4 is almost the same as HUAWEI Band 3 in terms of appearance and material, but there are still some differences in shape design and wristband. Huawei Band 4 is similar to Honor Band 5i in shape, while HUAWEI Band 3 is closer to Honor Band 5 in shape, except for the texture on the band strap.
HUAWEI Band 3
HUAWEI Band 4
HUAWEI Band 4 Upgrade Points
The HUAWEI Band 4's biggest upgrade point, like the Honor Band 5i, solves the pain point of charging of the smart bracelet. Using A new bracelet charging method is adopted to support USB portable charging.
Before the advent of HUAWEI Band 4 and Honor Band 5i, almost all smart band were difficult to charge because the product itself was small and limited in internal space, and almost all products had to use external chargers, which were inconvenient and easy to lose.
To solve this problem, HUAWEI is equipped with a hidden USB interface on this generation of bracelets. By pressing the remove button to remove the wristband, the charging head can be plugged into any USB port to recharge. The new charging method has brought about a comprehensive upgrade of the use experience, whether it is the computer USB interface, portable battery or mobile phone charger, gently plug it in for the perfect life of the smart bracelet.
Both HUAWEI Band 4 and HUAWEI Band 3 have built-in 100mAh battery capacity in terms of battery life and support 9-10 days of normal use. However, because the HUAWEI Band 4 has been greatly improved in the charging method, the charging is simpler.
HUAWEI Band 4 Health Functions
There are major functional upgrades to HUAWEI Band 4, especially for health functions.
This time, HUAWEI Band 4 added the detection function of blood oxygen (SpO2) saturation, by deeply optimizing the hardware optical path and algorithm, multi-light source fusion, and taking advantage of the different reflective absorptivity of oxyhemoglobin and deoxyhemoglobin for specific light. The pulse oxygen saturation was measured by signal extraction, signal enhancement, algorithm training, abnormal suppression and so on.
It is also a breakthrough in Huawei's function on this generation of smart bracelets. According to Huawei's official data, the accuracy of the, Huawei Band 4 blood oxygen test is comparable to that of professional blood sample testing instruments. With a small device such as a bracelet, the blood oxygen concentration can be measured anytime, anywhere, ensuring that the wearer knows his or her health in real time, and the whole process is more convenient.
NOTE: the SpO2 function limited in Chinese Version
Heart rate monitoring has also been upgraded on this generation of HUAWEI Band 4. Huawei's TruSeen 3.5 heart rate technology, developed by Huawei, is more accurate than the previous 3.0. at the same time, in terms of hardware, Huawei has carefully optimized the design of feature separation PPG solutions with the top suppliers in the industry. Lower power consumption in the measurement process to ensure a longer duration after the bracelet turns on the real-time heart rate function.
HUAWEI Band 4 Sports Functions
HUAWEI Band 4 supports 9 major sports modes in sports functions, including outdoor running, indoor running, outdoor walking, indoor walking, outdoor cycling, indoor cycling, oval machines, rowing machines, and free training. The sports start the exercise directly from the device, avoiding the trouble of operating and carrying the mobile phone on the mobile phone.
Through Huawei's own algorithm, Huawei Band 4 can record the user's heart rate real-time data and provide a clear heart rate range display. Exercisers can better understand the current exercise level by referring to the heart rate range displayed in real time on the bracelet, including warm-up, fat burning, aerobic endurance, anaerobic endurance, and limit. Help users intuitively judge and control the training intensity in a certain range, so that the movement is more accurate and efficient.
In addition, notifications of any messages or phone calls, Find My phone, Remote Shutter, all with a touch of your finger to your wrist. Make you live an efficient life with HUAWEI Band 4.
At this point, I believe you have a good understanding of the latest HUAWEI Band 4, HUAWEI Band 4 is very similar to the latest Honor Band 5i, but the price will be a little higher. In addition, HUAWEI Band 4 officially opened for pre-sale on October 23 and will be officially sale in China on November 1 at a price of 199RMB.
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