Keychron K3

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このキーボードの概要
Brand
Layout ,
Size
Connection ,
Hot-Swap
Key Profile

Types of Keychron and how to choose ▷▷▷

仕様詳細
trade (brand) name
Keychron K3(V2)
Total number of keys
87 keys (Japanese)/84 keys (US)
multimedia key
12 keys
Frame Material
Aluminum and ABS
Keycap Material
ABS
backlight
18 types, 4 levels of adjustable RGB or White LED
Supported Systems
Mac/Windows
battery
1550mAh rechargeable lithium polymer
Bluetooth operating time
RGB: max. 34 hours (at minimum brightness), max. 72 hours (with LED ON), White LED: max. 240 hours (with LED OFF), max. 68 hours (with LED ON)
connection
Bluetooth and USB TYPE-C
Bluetooth version
5.1
Size
306 x 116mm, both 17mm high (keycap front)/22mm high (keycap rear)
weight
Approx. 476g
contents
K3 keyboard x 1, USB-A to USB Type-C cable x 1, keycap remover x 1, switch remover x 1 (optical only), dust cover x 1, user manual x 1

Information reference: https: //kopek.jp/products/keychron-k3-jp/

Table of Contents

Selectable axis types

Gateron Low-profile Switches 1.0

SwitchBlueRedBrown
FeelClicky.LinearTactile
ColorBlueRedBrown
Lubed.NoneNoneNone
Pressure50±15g45±15g55±15g
Springunknownunknownunknown
Total Travel2.5±0.5mm2.5±0.5mm2.5±0.5mm

sound sample

Gateron Low Profile Red
Gateron Low Profile Blue
Gateron Low Profile Brown

Keychron Lowprofile Optical Swithces

スクロールできます
Red SwitchesBlue SwitchesBrown SwitchesWhite SwitchesYellow SwitchesGreen Switches
key load40±10gf48±10gf57±10gf30±10gf57±10gf67±10gf
Movement to operation1.1±0.3mm1.1±0.3mm1.1±0.3mm1.1±0.3mm1.1±0.3mm1.1±0.3mm
Overall movement2.5±0.3mm2.5±0.3mm2.5±0.3mm2.5±0.3mm2.5±0.3mm2.5±0.3mm
reactionlinearclickytactilelinearearly bump
tactile
early bump
tactile
soundquietclickygentlequietgentlegentle

sound sample

Keychron Optical Red
Keychron Optical Blue
Keychron Optical Brown
Keychron Optical White
Keychron Optical Yellow
Keychron Optical Mint
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Avatar of Ryosuke Kawamura Ryosuke Kawamura Greenkeys Editor-in-Chief

Ryosuke Kawamura is the Editor-in-Chief of Greenkeys and the founder of GreenEchoes Studio.

He covers mechanical keyboards, custom keyboards, and input devices through reviews, interviews, hands-on testing, photography, and editorial work. He has reviewed more than 100 products and regularly reports on JIS-layout compatibility and trends in the Japanese keyboard market.

He also founded the Japan Layout Alliance (JLA), an industry collaboration initiative aimed at improving compatibility for Japanese-layout keyboards.

Greenkeys values editorial independence and transparency. Product samples, advertising relationships, and affiliate links are disclosed within each article.

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