GK300 - Keyboard Gamesir - Free user manual and instructions

Product Type	Mechanical Gaming Keyboard
Brand	Gamesir
Model	GK300
Dimensions (L x W x H)	440 x 130 x 35 mm
Weight	Approx. 800 g
Connectivity	Wired USB 2.0
Switch Type	Mechanical (Blue/Brown/Red)
Key Rollover	Full N-Key Rollover
Backlight	RGB per-key lighting
Anti-Ghosting	Yes
Compatible Systems	Windows 7/8/10/11, macOS
Cable Length	1.8 m braided USB cable
Keyboard Layout	Full-size (104 keys)
Power Source	USB bus power (5V DC, 500mA)
Materials	ABS keycaps, aluminum top plate
Maintenance & Cleaning	Unplug keyboard; use compressed air or soft brush; damp cloth for exterior
Safety Precautions	Avoid liquids; do not disassemble; keep away from heat sources
Spare Parts & Repairability	Keycaps and switches replaceable; contact support for parts
Warranty	1 year limited manufacturer warranty
General Information	Designed for gaming; programmable macros via software

Frequently Asked Questions - GK300 Gamesir

How do I connect the GK300 keyboard to my computer?

Simply plug the USB cable into an available USB port on your computer. The keyboard will be automatically recognized and installed. No additional drivers are needed for basic functionality.

Is the GK300 keyboard compatible with macOS?

Yes, the GK300 works with macOS. However, some multimedia keys may require specific drivers. For full functionality, download the Gamesir software from the official website.

Can I customize the RGB lighting?

Yes, you can customize the RGB lighting using the Gamesir software. It offers per-key color customization, effects, and brightness control. The keyboard also has onboard presets accessible via function keys.

How do I clean the GK300 keyboard?

Unplug the keyboard first. Use compressed air to blow out debris between keys. For the surface, use a slightly damp microfiber cloth. Avoid harsh chemicals. Do not pour liquids directly on the keyboard.

Are the keycaps replaceable?

Yes, the keycaps are standard MX-style and can be replaced with aftermarket keycaps. Use a keycap puller to remove them gently. The switches are also replaceable if they are hot-swappable (check model variant).

What is N-Key Rollover?

N-Key Rollover means every key press is registered simultaneously, regardless of how many keys are pressed. The GK300 supports full NKRO, ensuring accurate inputs during intense gaming.

Why is my keyboard not working properly?

First, try a different USB port or computer. Ensure the cable is securely connected. If issues persist, reset the keyboard by unplugging it, holding the Esc key, and plugging it back in. Reinstall the Gamesir software if needed.

Does the GK300 have programmable macros?

Yes, you can assign macros to any key using the Gamesir software. The software allows recording keystrokes, delays, and loops. Macros are saved to onboard memory.

What is the warranty period for the GK300?

The Gamesir GK300 comes with a 1-year limited warranty against manufacturing defects. To claim warranty, contact Gamesir support with proof of purchase.

Can I use the keyboard with a console?

Yes, the GK300 works with PlayStation 4/5, Xbox One/Series X|S, and Nintendo Switch when connected via a USB hub (requires OTG adapter for Switch). Full functionality may vary by console.

USER MANUAL GK300 Gamesir

GAMESIR • GAMING IS WINNING.™

© 2018 GameSir Inc. All rights reserved. Product may vary slightly from those pictures.

GameSir®

GameSir GK300

Wireless Mechanical Gaming Keyboard

User Manual

PRODUCT INTRODUCTION

Important: Please fully charge GameSir GK300 wireless mechanical gaming keyboard before the first use.

PACKAGE CONTENTS

GameSir GK300 Wireless Mechanical Gaming Keyboard

Agility X 2.4GHz Wireless Dongle

Micro-USB Cable (3.28 ft.)

User Manual

PRODUCT REQUIREMENTS

Windows 7 (or higher)/ macOS / Linux

Android 4.0 (or higher) / iOS 7.0 (or higher)

*PC with USB port

REGISTRATION

Register your GameSir ID online at https://gamesir.hk/ to get real-time information on your product's warranty status and a series of exclusive benefits from GameSir.

YOUR BENEFITS

*12 months limited manufacturer's warranty

*Free online technical support at https://gamesir.hk/ (Supports English and Japanese)

CONNECTION

Connect PC via 2.4GHz wireless dongle

a. Switch down to 📋 button, the LED indicator light will flash in green, GameSir GK300 wireless mechanical gaming keyboard is ready to be connected.

b. Plug 2.4GHz wireless dongle into Windows PC's USB port, the indicator lights of GameSir GK300 wireless mechanical gaming keyboard and Agility X 2.4GHz wireless dongle will stay green.

c. Wait until the LED indicator of GameSir GK300 wireless mechanical gaming keyboard flashes in green. The LED indicator of 2.4GHz wireless dongle will be off after 1 minute. The connection is complete.

Notice: If GameSir GK300 wireless mechanical gaming keyboard fails to connect automatically, simultaneously press FN+Reset button for 3 seconds to reconnect.

Connect PC via Bluetooth 4.2

a. Switch up to 📋 button, the LED indicator light will flash in blue, GameSir GK300 wireless mechanical gaming keyboard is ready to be connected.

b. Turn on Bluetooth in Windows PC, search GameSir GK300 wireless mechanical gaming keyboard to pair and connect.

c. Wait until the LED indicator of GameSir GK300 wireless mechanical gaming keyboard flashes in blue. The connection is complete. GameSir GK300 wireless mechanical gaming keyboard will reconnect to the same PC automatically.

Notice: If GameSir GK300 wireless mechanical gaming keyboard fails to connect automatically, simultaneously press FN+Reset button for 1 second to reconnect.

Connect Android/iOS device via Bluetooth 4.2

a. Switch up to 📋 button, the LED indicator light will flash in blue, GameSir GK300 wireless mechanical gaming keyboard is ready to be connected.

b. Turn on Bluetooth on your mobile phone, search GameSir GK300 wireless mechanical gaming keyboard to pair and connect.

c. Wait until the LED indicator of GameSir GK300 wireless mechanical gaming keyboard flashes in blue. The connection is complete. GameSir GK300 wireless mechanical gaming keyboard will reconnect to the same Android/iOS device automatically.

Notice: If GameSir GK300 wireless mechanical gaming keyboard fails to connect automatically, simultaneously press FN+Reset button for 1 second to reconnect.

MIXSHIFT FUNCTION (FOR PC ONLY)

MixShift function provides a set of FN+N key combination functions including media control and more. It perfectly copes with various daily demands that differ under gaming scenes and optimizes your gaming experiences to the greatest.

MixShift			Features Description
	+	P7...	FN+F7=Volume down
	+	PN...	FN+F8=Volume up
	+	PB...	FN+F9=Mute
	+	P10...	FN+F10=Previous play
	+	P11...	FN+F11=Music play/pause
	+	P12...	FN+F12=Next play
	+	SL...	FN+SL=Switch Windows / macOS
	+	PB...	FN+PB=Reset under wireless mode
	+	继...	FN+windows=Unlock / lock Windows key
	+	<...>	FN+</=>Switch lighting effects
	+	^...	FN+↑/↓=Adjust backlight brightness

2.4GHz wireless mode

• When GameSir GK300 wireless mechanical gaming keyboard is disconnected under 2.4GHz wireless mode, its backlight will automatically power off within 60 seconds under no operations and be in sleep mode within 120 seconds. Please power on and reconnect.
• When GameSir GK300 wireless mechanical gaming keyboard is connected under 2.4GHz wireless mode, its backlight will automatically dim within 60 seconds under no operations and be in sleep mode within 20 minutes. Press any key to awake the keyboard.

Bluetooth mode

• When GameSir GK300 wireless mechanical gaming keyboard is disconnected under Bluetooth mode, its backlight will automatically power off within 60 seconds under no operations and be in sleep mode within 120 seconds. Please power on and reconnect
• When GameSir GK300 wireless mechanical gaming keyboard is connected under Bluetooth mode, its backlight will automatically dim within 60 seconds under no operations and be in sleep mode within 20 minutes. Press any key to awake the keyboard.

POWER INSTRUCTIONS

Low power condition

• When GameSir GK300 wireless mechanical gaming keyboard is in low power condition (15% and below), LED indicator will flash quickly in red.
• When GameSir GK300 wireless mechanical gaming keyboard is in low power condition (5% and below), it will automatically power off for power protection.

Charging statement

• When GameSir GK300 wireless mechanical gaming keyboard is being charged, LED indicator will stay red.
• When GameSir GK300 wireless mechanical gaming keyboard is fully charged, LED indicator will be off. * Lighting effects of charging indicator and mode indicator have no conflict.

日本語

製品概要

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    A["Game34"] --> B["Node"]
    B --> C["Node"]
    C --> D["Node"]
    D --> E["Node"]
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    G --> H["Node"]
    H --> I["Node"]
    I --> J["Node"]
    J --> K["Node"]
    K --> L["Node"]
    L --> M["Node"]
    M --> N["Node"]
    N --> O["Node"]
    O --> P["Node"]
    P --> Q["Node"]
    Q --> R["Node"]
    R --> S["Node"]
    S --> T["Node"]
    T --> U["Node"]
    U --> V["Node"]
    V --> W["Node"]
    W --> X["Node"]
    X --> Y["Node"]
    Y --> Z["Node"]

NOTICE: Please read this Precautions carefully.

- CONTAINS SMALL PARTS. Keep out of reach of children under the age of 3. Seek immediate medical attention if swallowed or inhaled.

• DO NOT use the product near fire.

- DO NOT expose to direct sunlight or high temperatures.

- DO NOT leave the product in a humid or dusty environment.

- DO NOT impact the product or cause it to fall due to strong impact.

- DO NOT touch USB port directly or it might cause malfunctions.

- DO NOT strongly band or pull cable parts.

- Use a soft, dry cloth while cleaning

• DO NOT use chemicals such as gasoline or thinner.

• DO NOT disassemble, repair or modify.

- DO NOT use for purposes other than its original purpose. We are NOT responsible for accidents or damage when used for non-original purposes.

■ DO NOT lock directly at the optical light. It might damage your eyes.

- If you have any quality concerns or suggestions, please contact GameSir or your local distributor.