The mobile phone has changed from a big brother in the initial brick format to a thin, smart, omnipotent smartphone for about half a century. Smart wearable devices have been developing rapidly in just a few years, helping more and more people For a healthier life, apart from smart phones and smart wearable devices, there is still a class of smart devices that make our lives easier. Smart homes include smart TVs, smart refrigerators, smart rice cookers, smart sweepers, etc. And so on, although such products are currently not truly intelligent, they all share a common feature. That is, WIFI (a joke) is indispensable, and the protagonist of today's evaluation is one of the Lenovo smart speakers.
Product out of the box
Open the package to see the smart speaker packaging first impression is very international, simple and clean. The material and hardness of the box is very good, and even if it is subjected to the courier's brutal transportation, it can still guarantee the sound of the speaker.
The design of the package mainly revolves around the intelligent elements of this speaker. The text of the package roughly shows the selling point of this speaker with voice operation human-computer interaction, and it is also a new way of opening smart home life.
The box is divided into upper and lower sections. The box is opened, the upper half of the speaker is exposed, and the lower half is firmly protected in the foam. The inspection found that the lid contained power and instructions.
Received the speaker is a green model, the overall shape of the speaker is very novel, the entire cylindrical box, a bit like a large insulation cup, high 242mm, diameter 84mm.
The cylindrical speaker is divided into two parts like the box. The upper part is made of plastic material. The surface is painted with pearlescent paint. It is very beautiful. The lower part is linen. There are three kinds of speakers: red, gray and black. Color matching, this fabric design can make the speaker easier to integrate into the modern home style, looks not so cold, modeling is really good.
The top disc is cleverly designed as a volume adjustment knob, clockwise rotation volume +, counterclockwise rotation volume - there is also a very good design, is the breathing light below the knob, when adjusting the volume, the light will show white and With the gradual change in the size of the sound, the louder the light, the louder the sound, not only that, but also as a warning light when working in the speaker, yellow prompted speakers need networking, red tips microphone off, green prompts waiting for voice input.
The middle of the knob disk is the key to the speaker. Because it is the only key of the speaker, its function is also quite a lot. Click to start, press and hold for 4 seconds to shut down, click to wake up, press 2 Seconds to turn off the microphone, double-click to turn on Bluetooth, but it does not have pause/play function. What are the small holes around the button matrix microphone, as many as 8 to ensure that the speaker can accurately accept the owner's voice commands.
This is a close-up of the cotton and linen material sound in the lower half of the speaker, which is a little fluffy. As the speaker unit is in the lower part, the interior of the speaker has been specially designed, and the optimized design of the outlet of the inverted pipe has been combined with this cotton dust-proof net to greatly reduce the loss of the sound quality output.
At the bottom is a large non-slip foot pad that has a certain degree of stickiness, but is easily contaminated with dust. Half of the bottom of the circle is recessed, mainly to conceal the power cord interface and maintain the integrity of the speaker's appearance. There is a small hole at the bottom to restart the reset speaker.
The bottom edge has a notch that allows the power cord to pass without affecting the smooth placement of the speaker.
At first thought that the speaker is a built-in battery, the power supply is only used to charge, when you did not plug in the power, you start pressing the power button, the result can not be opened, online review to know that this smart speaker needs to always connect WIFI, so the power Will be relatively large, can not be made into a portable speaker, but this plug is too big, but fortunately did not have to say workmanship, very fine, the back is engraved with Leovo's LOGO.
The power supply parameter is 20V 1.5A, and it is impossible to use it with the current mobile phone charging head. USB power supply cannot be achieved.
This kind of round head power cord is now rare. Once the power cord is broken, it will be difficult to find a universal accessory. It is recommended to change it to a commonly used USB port. Here are my two photos with it.
Want to experience the smart speaker The first step is to connect the speaker connection to connect it to your home WIFI and bind it through the phone. All this needs to be done on Lenovo's smart home app. Scan the code to download the APP and select the speaker pairing. The speaker prompt does not support the 5GHz band. The route WIFI must be changed to the 2.4G band. And the Lenovo community also indicates that the routing gateway must be set to 192.168.xx. Feeling tedious, but after the connection is still very easy to set up, my speaker to hand late, and did not encounter the community can not connect feedback BUG, ​​Fortunately, Lenovo engineers repair problems in a timely manner, eliminating unnecessary trouble. After connecting the sound of the speaker's breathing light from yellow to green, then found that this breathing light can not be always bright, can not be replaced by light patterns, but unfortunately such a beautiful light strip, hope Lenovo's engineering lion can add this in the future A function.
Enter the smart speaker interface. The main function of this interface is divided into 7 sections. They are cool music, Himalayan, reminders, memos, dripping trips, voice recordings and voice mails.
It can be seen that the current music content is provided by cool music, users can use the voice to control the speaker to play music, and also can control the speaker to play through the mobile phone APP. The use of cool music I found in the Lenovo APP has been simplified, compared to cool music my own APP function is really being cut too much, it seems that the function needs to be improved ah.
Non-music audio content is provided by the Himalayas. What you want to hear is a comic joker that can only be operated by voice. The Himalayas have problems with the matching of resources, allowing him to play Guo Degang's comic dialogue, but the result is a fiction, allowing him to play the heroes of the swordsman heroes, but the result is a song that makes people scratch their heads.
The reminder function is an alarm clock that can be set by voice. Click on it to change the specific time and date. I think this function is very practical. For example, if you cook in the kitchen, you can set a timer in advance to let the speakers remind you that the dish is to be panned and avoid the appearance of a sauce pan; for example, you need to go out and work can be set up in advance to remind the speaker to remind the elderly on time. It's time to take medicine.
The memo also provides a similar voice reminder function, similar in function. I think it's possible to combine the two to optimize and add calendar-like event reminders similar to mobile phones to the app.
It seems like this feature is currently disabled.
Voice recording is a record of your conversation with it. You will also be recorded by it. So be a civilized person.
Sound Field: Lenovo's speakers do not look small, but already have a good sound field performance in the desktop speaker, can use a medium volume can fill the room, enough to create a good atmosphere for listening to songs at home.
High frequency: relatively clear, high resolution, although there are details of the loss, but no sharp gritty, vocal and instrumental music clearly structured.
IF: The voice is clear and powerful, soft and full, and the convergence with high and low frequencies is more natural. The performance of different styles of pop, rock, rap, instrumental music and other styles is calm, the performance of intermediate frequency is the best, and the sense of hearing is surprising.
Low frequency: subject to the speaker volume limitation, the low frequency is slightly turbid, the lower potential is not so full.
Voice instructions are less than optimal, such as asking how the weather is. The default is to play Beijing's weather. It can't locate your city, causing you to call it tomorrow.
When a speaker plays a certain song, he or she will state the full name of the song. For example, what album and what version of the song is....it really doesn't need to be read out.
The Bluetooth connection does not require a password, security is lacking, and the network playback of the speaker during Bluetooth playback continues, resulting in two kinds of music playing at the same time, hoping to improve, and adding a Bluetooth switch on the APP side
.
It is expected that Lenovo’s APP will be more complete and that it will be able to use too few features. If it can introduce more music sources, it will be better, allowing users to choose a better music platform.
Looking forward to the introduction of the portable version, plug in the power is connected to the WIFI smart speaker, unplug the power supply is a mobile Bluetooth speaker, so you do not have to worry about power problems.
It is recommended to add a control function to the breathing light on the APP. For example, let the breathing light flash with the beat of the music or the light is always on to increase the playability of the night light, etc., otherwise it would be a waste of such beautiful lights.
Add custom wake-up words, you can get a nickname for it, call nickname will know that I want to give instructions, so that you do not need to say around the "hello, Lenovo," while enhancing the recognition efficiency, do not let me go when singing Shouting instructions.
This product is a semi-finished product in the end, Lenovo needs to work harder to improve it to make it worthy of the price, of course, this speaker is not useless, first intelligent speaker free hands this operation is very tempting, and its shape design is quite beautiful The beautiful and most important thing is that its sound quality is really good as a small volume speaker. I believe that continuous optimization of this speaker by Lenovo engineers can eventually become a good companion for our convenient life.
Outdoor Waterproof Wire Harness
Outdoor waterproof Wire Harness is mainly used in some outdoor equipment and underwater equipment, and have high requirements on the waterproofness of the wiring harness. Wire harness waterproofing is a necessary part of wire harness work. Once the waterproof wire harness fails, it is easy to cause abnormal operation of various electrical systems, affecting the comfort of the whole vehicle, and even causing great safety risks. After the design is completed, waterproof experiments should be carried out in order to check the reliability of the waterproof design.
IP waterproof rating range
The waterproof test includes the second characteristic number from 1 to 8, that is, the protection class code is IPX1 to IPX8.
No protection No special protection
1 Prevent dripping water from invading Prevent vertical dripping water droplets
2 Water dripping is still prevented when tilted 15 degrees Water dripping is still prevented when electrical equipment is tilted 15 degrees
3 Prevent the intrusion of water jets Prevent rainwater, or water jetted from the vertical angle of less than 50 degrees
4 Prevent the intrusion of splashing water Prevent the intrusion of splashing water from all directions
5 Prevent the intrusion of water from large waves
6 Prevent the water intrusion of large waves Electrical equipment intrusion into the water can still ensure the normal operation of the equipment under certain conditions of time or water pressure
7 Prevent the intrusion of water intrusion Electrical equipment can still ensure the normal operation of the equipment under the condition of certain water pressure under the condition of submerged water indefinitely
8 Prevent the effects of sinking
In order to ensure the waterproof performance of the wiring harness, the Connector must provide a safe and reliable connection. Choose advanced waterproof structure design connector, the waterproof level is greater than or equal to IPX7 protection level. Choose connectors produced by regular manufacturers to ensure strict quality control system, excellent processing and assembly accuracy, and multiple performance testing. In order to ensure the waterproof performance of the connector.
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