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Keychron K2 – the keyboard worth buying for anyone who uses Mac


Following the Keychron K1 – the ultra-thin wireless keyboard designed for Mac last time, today I share with you about the K2 – also a wireless mechanical keyboard optimized for Mac, 3 support the device is not as thin as the other version but on the contrary is a classic, traditional design of mechanical keys. I think the K2 will make more brothers like it, I like it myself.

Keychron K2 currently sells for 69 USD, 79 USD and 89 USD. My version on hand is priced at 79 USD with plastic frame, key blister, RGB lamp, while the 69 USD version is exactly the same but the white backlight and 89 USD version have RGB lamp but aluminum frame.

Familiar design, compact, portable:





I talk a bit about K2, it is a very compact mechanical keyboard and I feel like taking it the most. I don't like the Keychron K1 very much because it gives me a flat and keycap feel, which is easy to slip off my fingertips. K2 is much more beautiful than K1, it has a traditional design and I almost like the Master Rapid-i Cooler I used for thickness as well as form. However, it is a 84-key layout keyboard instead of TKL.



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Currently, there are many layout keys in the market with fewer keys than full-size layouts 104 – 107 keys or TKL 87 keys. The K2 is shorter than TKL even though it has less than 3 keys, the navigation keys, the Home / End / Page Up / Down keys have been gathered into the main layout instead of lying side by side like TKL. K2 is very gon, size is 313 x 123 x 38.5 mm. I am using a 17.3 "ThinkPad P70, my backpack has the capacity to hold the K2 and I think if you are using a 15.6" or 14 "machine, you can still carry it because it will be as long as a machine size 14 ", just a little thick.



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The version I tried uses ABS plastic shell, I don't like plastic shell very much, but considering the aspect of carrying it, the plastic case makes K2 reasonable because the keyboard's weight is only 875 g. If you see the mechanical key is probably living, carrying a 800-g keyboard doesn't matter, the aluminum shell version will weigh 985 g.



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Keychron is part of this plastic shell is quite good finishing, once again I have to compliment you Keychron for making it very solid though holding it, it feels light and not durable. I once again tried to twist and also accidentally dropped from the table to the ground, everything was intact. On the surrounding plastic frame, I discovered that 4 small freezers were cut off, I think this is a bearing design for the shell when falling because if it is done in a piece, strong impact will cause instant and crack.



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Keychron K2 has an anti-slip angle of about 6 degrees, incorporating good anti-slip thick rubber pads. For my personal experience, if you do not use the armrests, turn on your feet, the typing will become easier because the fingers are not too far away, the wrist will also get better. . On the other hand, if you use a piece of inventory, you do not need to turn it on because the hand rest point is nearly equal to the key surface.



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USB-C connection and charging port are on the left side with 2 keys to adjust Windows + Android layout mode and Mac + iOS and turn on (Bluetooth) – off – cable use. The use of these buttons is no different from the Keychron K1 version as well as many current Bluetooth mechanical keys. Particularly, the position of USB-C port on the left is highly appreciated. Keychron K2 allows us to use dual mode that just plugs the cable into this machine, and connects wirelessly to the other 3 devices. The USB-C port on the left will prevent the cable from staggering as much as the rear port. Using the slotted mechanical keys, I also often put the wire to the left or right instead of holding it in the middle.



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The built-in battery on Keychron K2 is also a massive battery with a capacity of up to 4000 mAh – equivalent to the battery of an existing Android phone. Duration of battery usage is announced by Keychron is 15 hours with a white background lamp, 10 hours with the RGB version. So if based on the published figures, you can imagine at least you can use it continuously for about 1 working day but that is unless you type continuously for 10 hours, I have used it for 3 days now not recharged.

How is Layout and keycap of Keychron K2?



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As I said earlier, Keychron K2 has a 84-key layout, not too strange for those of you who have played custom keys. For those who are new to the keyboard with this layout, it is necessary to get familiar because the rightmost is the row of Home / End / Page Up / Down keys. 4 navigation keys are brought down to the bottom right corner, just below the Enter key and next to Control, Right Shift. The keys are still the same size so the operation is not difficult, familiar layout click comfortably.



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It is an optimized keyboard designed for the Mac and Keychron K2 fully integrates the main function keys of the Mac on the Function key row. It almost reproduces the keyboard on the MacBook from the position of the screen brightness keys, launch Launchpad, Mission Control, adjust the keyboard brightness, multimedia keys, adjust the volume, mute the sound from F1 to F12 . Besides this row of keys are 3 keys including screen capture, Del and RGB effect correction. Similar to the Command, Option keys, the Keychron K2 for Mac completely, Mac users won't waste time getting used to it.



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Keycap is also made of ABS, single-shot, thin and light plastic as the default keycap on many popular mechanical keys. Keychron also makes it different, looks a little more like PBT with its lumpy feel is quite thick and gray-brown keycap colors come with a few orange-colored keys as accents. The layout of these keycap is also intentional when the main key area uses keycap in a darker color, the sub-keys are lighter in color, making it easier to capture the key layout.



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The above keycap is laser engraved with fine lines, high detail, light efficiency of the keycap backlight just right, not too harsh and the light does not leak causing glare when used at night. According to my personal feeling, you just need to buy the version using white backlight is enough, RGB lights on a mechanical keyboard with classic design like this is not too suitable, it makes the keyboard look like a map play more.



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If on Keychron K1 I criticized it the most in the design of flat keys, it was easy to slide the keys and reduce the feeling that on Keychron K2, everything went back to the original with contour, brother-type key settings. Cross-sectional view will see this. Cross-view keys form a hollow with a row of keys between the lowest and ascending to the rest of the keys, from which the fingers can easily reach every keystroke on the keyboard without having to move too much. This is an ergonomically designed, used on keyboards from the past and still maintained on mechanical keyboards.



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Keychron K2 has 3 switch options including Red (linear), Brown (tactile) and Blue (clicky + tactile) but all are produced by Gateron instead of Cherry. Gateron is also one of Cherry's well-known switch clone switches and actually used Gateron's switch on the JamesDonkey keys, and what I found very clear about the experience compared to the Cherry switch was smoothness. Compared to similar switch lines of Kailh or even Cherry MX, Gateron is always smoother when pressed, without a coarse, somewhat stiff feeling like Kailh or Cherry MX.



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When typing the Keychron K2 keyboard using the Gateron Red switch, I immediately realized it looked like a strange QX2 switch equipped with a SteelSeries on the Apex M750 series (this switch was also produced by SteelSeries with Gateron). Force multiplied at 45 g is similar to Cherry MX Red, 4 mm total stroke, trigger point at 2 mm. The fast response speed and typical typing experience of the linear switch line – straight and elegant, just inching your fingertip is "eat".



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However, I use this keyboard to type more text than I play, so Red switch makes me feel a little lost. Every day I still use keyboards with tactile elements that give me tactile feedback with every click like Brown or noisy like Blue, even training weight with Green to make Red lose my feelings. However, with the office environment, needing silence, Red is still a suitable choice. If I buy this K2, I will choose Blue switch, 60 g, tactile and clicky switch, keystroke is the main job so Blue brings me feelings.



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The switches on Keychron K2 belong to Gateron's KS-9 series with transparent housing (housing), RGB integrated inside in the form of SMD LEDs located on the PCB circuit of the keys instead of the traditional LED bulbs inserted into the housing. The durability of the Gateron switch is reported to be 50 million clicks, the same level as Cherry MX or other clone switch manufacturers.



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Not surprisingly, the switch uses Gateron's switch because most emerging mechanical keyboard makers tend to use switches from Kailh, Gateron, Greetech … to reduce costs. In addition, these clone switches still have a keystem design that is compatible with Cherry keycap, satisfying the needs of keycap decoration and playing.

Which company do you like to switch? Personally, I don't think much about Chinese elements, I like Outemu's Blue, I am also tired of typing Razer Green (now more addicted to Razer Optical), Blue of Cherry I only like old lines without lights, RGB lines later This is no good. In addition, I have an orgasm with Cherry MX Black, and Brown is no match for Cherry.

Connection and conversion speed:

I try to connect between a MacBook Pro, a Windows laptop and an Android phone, the speed of switching between devices is very fast, feeling faster than the previous Keychron K1, only 1 – 1.30 seconds. Pairing and switching are similar K1:



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Holding down the Fn + button 1, 2 or 3> Bluetooth icon on the key will flash a green alert while waiting for the pair. When converting, you press Fn + number 1, 2 or 3 once to transfer, of course you need to remember the number 1 is the machine, the number 2 is the machine to transfer correctly.

On Keychron K2, it does not have a separate button for virtual assistant like K1, this feature is cumbersome, leaving it right : D. The company also offers a few keycap replacements for you to use Windows to prevent "bad" but not having keycap for Windows key.



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At a price of 69 USD for a white backlight, I think it's more suitable. Since the beginning of the lesson, I haven't mentioned RGB much because to me, it appears too wrong on this keyboard : D, turn off always go better, not to mention saving battery. If you are not afraid of heavy, you should play the aluminum, high-end and much better versions, only 20 USD more. I will buy Keychron K2 aluminum shell, Blue switch, and turn off the PBT keycap light, I said it was nothing : D.



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