How to select an external keyboard that "dramatically improves" Japanese input of laptops

　The keyboard of the laptop has a keyboard in a limited space, so it is often sacrificed.If you find it difficult to enter the keyboard of the laptop computer used in telework, try the external keyboard.The dissatisfaction of the hitting comfort is dramatically improved and easier to enter.

　When you buy an external keyboard for the first time, there are many types, so you will be worried about which one to choose.The points when choosing a keyboard are (1) connection method, (2) key layout, (3) key pitch and key stroke, (4) structure.Let's look in order.

電池交換の手間が気にならなければ無線接続が便利

　There are two ways to connect the keyboard to a laptop: wired and wireless connection.Wired connection can be used easily simply by inserting a cable.On the other hand, wireless connection does not require a cable, so the cable does not get in the way.However, since power supply is required, the trouble of replacing batteries and charging increases.Some products correspond to both wired and wireless connections.Choose according to the use style.

　Most of the wired keyboards currently on sale are for USB terminals.Insert it into the USB terminal of the laptop.Many USB terminals use rectangular terminals called USB Type-A terminals.

　Mobile laptops and 2in1 laptops (laptops that can be used as a tablet) have products that only have an oval terminal called USB Type-C terminal.In that case, a conversion adapter is required.When purchasing a wired keyboard, be sure to check the connection terminals on both PCs and keyboards.

有線接続のキーボードは安価ながらしっかりとした作りの製品が多い。写真はUSB接続の「SKB-L1UBK」（サンワサプライ、実売価格は709円）（写真はスタジオキャスパー、以下同）[画像のクリックで拡大表示]

　The wireless connection keyboard has a unique standard for wireless system and a Bluetooth product.Products that use their own standard radio are attached to the USB terminal of the personal computer with a dedicated receiver.The keyboard and receiver are shipped from the factory with paired, so the initial settings are not required.In the case of this type of product, the personal computer is recognized as a USB connection keyboard.For this reason, it is almost undoubtedly useful in environments other than Windows, such as the recovery environment and the BIOS / UEFI setting screen.

　On the other hand, the keyboard that uses Bluetooth for wirelessly is unnecessary to attach a receiver because it connects to the Bluetooth adapter built by most laptops.Just use pairing work to use.Also, Bluetooth type keyboard can be used only when the OS is running.Note that screens other than OS cannot be operated, such as the recovery or the BIOS / UEFI setting screen.The strength of the Bluetooth type is that it can be used not only on a computer but also on smartphones and tablets.It can be paired with multiple devices, switched and used.

　For those who think that battery replacement or charging is troublesome for wireless connection keyboards, it is good to check the operation time.The method of installing the battery varies depending on the product, and there are two types of products that have a built -in rechargeable battery and a product that uses dry batteries.Products with built -in rechargeable batteries can be charged from USB terminals, so they are convenient.

「Wireless Keyboard K275」（ロジクール、実売価格は1810円）は、無線接続のキーボード。独自規格の無線を使い、付属する受信機（写真手前）をパソコンのUSB端子に接続して使う[画像のクリックで拡大表示]

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