Razer BlackWidow V4 Mini HyperSpeed | RZ03-0515 Support & FAQs (China Exclusive)

Updated: 12-Mar-2026 | Article ID: 14149

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From enthusiast-level customization to ultra-low-latency performance, the complete package has never come this compact. Meet the Razer BlackWidow V4 Mini HyperSpeed—a wireless, hot-swappable 65% keyboard powered by Razer Chroma RGB, complete with stealth pudding keycaps for maximum illumination.

Medium shot top view of the Razer Blackwidow V4 Mini Hyperspeed

 

Device Layout

 

Lineart diagram of the Razer Blackwidow V3 Mini Hyperspeed with parts labelled

  1. Function keys
  2. Sleep mode key
  3. On-the-fly macro record key
  4. Gaming mode key
  5. Backlight control keys
  6. Macro keys
  7. Volume control keys
  1. Media keys
  2. Charging/data port (USB Type C)
  3. Power indicator
  4. Mode switch (2.4/OFF/BT)
  5. Wireless USB dongle compartment
  6. Kickstand

 

Full Technical Specifications

 

Category Specification
Variation Razer BlackWidow V4 Mini HyperSpeed
Keyboard Type Wireless Hot-swappable 65% Gaming Keyboard
Design 5052 Aluminum Alloy Top Case
Available switch type(s) Razer™ Mechanical Switches Gen-3 (Tactile)
Switch Lifespan 100-million keystroke lifespan
Keycaps Razer Phantom Keycaps
Connectivity Razer™ HyperSpeed Wireless (2.4 GHz), Bluetooth 5.0, or Type C
Wireless Response Rate 1ms
Battery Life 200 hours (0% brightness) 
Backlighting Razer Chroma™ RGB lighting with true 16.8 million customizable color options
Key Roll-over N-key Rollover and Anti-ghosting
Fully Programmable Keys Yes
Synapse Razer Synapse 4
Onboard memory Hybrid on-board storage for up to 5 profiles
1000Hz Ultrapolling Yes
Additional Game Keys No
Audio Pass-Through No
Dedicated Media Controls No
USB Pass-Through No
Wrist Rest None
Cable Type Detachable USB-C to USB-A cable 
Approx. Dimension LxWxH (mm) 131 mm x 319 mm x 41 mm 
Approx. Weight (grams) 717 g

How To

How do I connect the Razer BlackWidow keyboard?

See the answer below for detailed instructions.

How do I switch the connectivity mode of the Razer keyboard?

  1. Toggle between 2.4 and BT to switch the connectivity mode of the Razer BlackWidow V4 Mini HyperSpeed between 2.4 GHz and Bluetooth.
  2. Remove the wireless USB dongle from the dongle compartment.
  3. Connect it to your computer.

Switch Razer BlackWidow V4 Mini HyperSpeed 2.4 GHZ to Bluetooth

How do I remap keys or buttons on a Razer keyboard?

  1. Open Razer Synapse.
  2. Select the device that you want to customize.
  3. Click on the key or button you want to remap.
  4. Select the type of function you want to assign to the key or button.
  5. Specify the key or function to assign.
  6. Click “Save”.

See the answer below for detailed instructions.

How do I turn the LEDs on or off on the Razer keyboard when the computer is on standby?

Configure the lighting of your keyboard's LEDs through Razer Synapse. 

See the answer below for detailed instructions.

How do I replace keycaps on a Razer keyboard?

  1. Pull the keycap out using a keycap puller.
  2. Install a replacement keycap by firmly pushing the keycap in place.

You can view the video below for instructions or review a copy of the video transcript.

See the answer below for detailed instructions.

How do I check the battery life of the Razer keyboard?

Check the Power Indicators of the Razer BlackWidow V4 Mini HyperSpeed battery as shown in the image below.

Razer BlackWidow V4 Mini HyperSpeed battery life

*Critical status indicates that the keyboard’s battery is less than 3%. The lighting sequence will repeat until the battery has been drained or the keyboard is being charged.

How do I switch between Bluetooth profiles on my Razer keyboard?

To switch between any of the Bluetooth profiles available on your keyboard, press the corresponding shortcut of the profile your device is registered to.

Razer BlackWidow V4 Mini HyperSpeed bluetooth profiles

How do I remove and install mechanical switches on my Razer keyboard?

Note: Wear an anti-static wrist strap for safety purposes.

  1. Unplug the USB cable from the keyboard.
  2. Remove the keycap from the keyboard.
  3. Gently pull out the switch using a switch puller that came with the keyboard.
  4. Insert your preferred 3-pin or 5-pin mechanical switch replacement. Ensure the pins are aligned properly before doing so.
  5. Reattach the keycap.
  6. Plug the USB cable into the keyboard and test the keys.

You can view the video below for instructions or review a copy of the video transcript.

See the answer below for detailed instructions.

How do I fit Razer Mechanical Switches into my keyboard?

Ensure your keyboard circuit board supports either 3-pin or 5-pin switches. Also, make sure the switch copper pins are not bent.

How do I maintain optimal key performance and responsiveness on my Razer keyboard?

  • Use a clean, microfiber cloth and compressed air to clean your Razer keyboard or touchpad from dirt or residues.
  • Update the drivers of your Razer device.
  • Update your Razer Synapse software and Windows OS.
  • Plug the Razer device directly into the computer and not into a USB hub. If it is already plugged into the computer, try a different USB port.

Note:

  • For Razer Keyboards with two USB connections, make sure that both are plugged directly into the computer.
  • For desktops, use the USB ports at the back panel.

You can view the video below for instructions or review a copy of the video transcript.

See the answer below for detailed instructions.

How do I ensure a stable USB connection for my Razer keyboard?

Plug the Razer device directly into the computer and not into a USB hub. If it is already plugged into the computer, try a different USB port.

Note:

  • For Razer Keyboards with two USB connections, make sure both are plugged directly into the computer.
  • For desktops, use the USB ports at the back panel.

See the answer below for more details.

How do I customize and synchronize lighting colors across my Razer devices?

  1. Update your Razer Synapse to the latest version.
  2. Perform a repair or clean re-installation of Razer Synapse.
  3. Disable the Dynamic Lighting feature on your Windows 11 23H2 and above system.

See the answers below for more details.

General Information

What is On-the-Fly Macro Recording on Razer keyboards? 

On-the-Fly Macro Recording allows users to record lengthy macros in the game, without having to access driver menus or other software. See the answer below for more details.

Can I use On-the-Fly Macro Recording without Razer Synapse?

No. On-the-Fly Macro Recording only works when Razer Synapse is installed and running in the background. See the answer below for more details.

Where can I find the 2.4 GHz USB dongle?

The 2.4 GHz USB dongle is stored in the dongle compartment behind the keyboard.

Razer BlackWidow V3 Mini HyperSpeed 2.4 GHz USB dongle

How long will the Razer BlackWidow V4 Mini HyperSpeed battery last?

The battery lasts up to 200 hrs. with backlighting turned off. With backlighting on, the battery life depends on the lighting effects and brightness. Below are examples of average battery life with backlighting:

  • White backlight at 50% brightness is up to about 14hrs

  • Spectrum cycling backlight at 50% brightness is up to about 25hrs

  • White backlight at 100% brightness is up to about 6hrs

  • Spectrum cycling backlight at 100% brightness is up to about 13hrs

Why is the lighting effect on the Razer BlackWidow V4 Mini HyperSpeed incomplete while on Bluetooth?

Due to inherent bandwidth limitation over Bluetooth, Razer Studio lighting effects, Audio Visualizer, and On-board memory will only be available over 2.4GHz and wired connection.

Only the following quick lighting effects are available while on Bluetooth connection:

  • Breathing

  • Static

  • Wave

  • Spectrum Cycling

  • Reactive

  • Starlight

Can I use a 5-pin switch on the Razer Blackwidow V4 Mini HyperSpeed?

Yes. Most 3-pin and 5-pin mechanical switches are compatible with the Razer Blackwidow V4 Mini HyperSpeed.

Applicable Model:

Firmware Updater v1.02.01_r2

  • https://rzr.to/gbfsy3 | November 8, 2024
  • Improved battery reading accuracy
  • Fixed unable to wake some laptop models in keyboard Dongle mode

STEP-BY-STEP PROCESS

Before you start

  1. If using a laptop, ensure it is plugged into a wall outlet. Do not let it run on battery alone.

  2. Save any open documents on your computer.

  3. Close all other programs.

  4. Download the latest firmware.

Update Process

  1. Run the updater.

  2. Click "Yes" if the User Account Control window pops up.

  3. Click "NEXT". The updater will close all running Razer applications.

    Updater initiation window

  4. Select the device to update, then click "NEXT".

    Device selection window

  5. Plug the wireless USB dongle into your computer.

  6. Click "UPDATE".

    Location of the UPDATE button

  7. Wait until the update process is complete. Do not interrupt.

    Update in progress window

  8. Click "NEXT" once the update is complete.

    Location of NEXT button

  9. Connect the keyboard to your computer directly using the supplied USB cable.

  10. Click "UPDATE".

    Location of the UPDATE button

  11. Wait until the update process is complete. Do not interrupt.

    Update in progress window

  12. Click "NEXT".

    Location of the NEXT button

  13. Click "CLOSE" once the update is complete.

    Update successful window

Documentation Language
User Guide (English) English
User Guide (Simplified Chinese) 简体中文
Razer USB HyperSpeed Dongle  
User Guide (English) English
User Guide (Simplified Chinese) 简体中文

Please see our warranty policy for a complete review of our warranty policy.

You are eligible for Limited Warranty support for the following periods of time commencing upon the date of retail purchase of your Product (Warranty Period).

ProductWarranty Period
2021 and Older Model Laptops1 yeara
2022 and Newer Model Laptops1 yeara
2-year limited battery warrantya
Razer Viper Mini Signature Edition3 year
Razer Phone and Phone Accessories1 year
Razer Edge Gaming Handhelds1 year
Razer Mice2 years
Razer Keyboards and Keypads2 yearsb
Razer Huntsman Signature Edition5 years
Razer Headsets, Earphones and Earbuds2 yearsb
Razer Wireless Mouse and Mat Bundles2 yearsb
Razer Mouse Mats1 yearc
Razer Speaker Systems and Broadcaster Devices1 year
Razer Controllers and Chargers1 year
Razer Routers (except Singtel)1 year
Razer Routers (Singtel)2 years
Razer Monitors1 year
Smart Watches and Eyewear2 years
Razer Case Fans2 years
Razer Liquid Cooling2 years
Razer Power Supplies5 years
Razer Fan and RGB Controllers2 years
Razer Cases1 year
Razer System Accessories1 year
Razer Docks1 year
Wearable Air Purifiers1 year
Razer Gaming Accessories1 yearc
Razer Rechargeable Batteries for Wireless Devices1 yeard
Razer Gaming Chairs3 yearse
Chair Frame, mechanisms and armrestsUp to 5 years
Mesh backing and seat panUp to 1 year

All new Products will have the Warranty Periods listed above, subject to applicable local law. Certain "end of life", sell out or discontinued Products may have a shorter Warranty Period; this will be clearly marked at the time of purchase and the given Warranty Period will be stated at that time. Refurbished Products purchased from Razer.com will have the lesser of a 1 year warranty period or the warranty period as stated above. Refurbished products not purchased from Razer.com will have a 90 day warranty period. If you are uncertain whether your Product is eligible for Limited Warranty support, please contact our support team for clarification.

Please note that third-party products may be covered by the product manufacturer's warranty and these warranty terms are exclusively provided by the product manufacturer. Razer does not offer a warranty for third-party products. If you need product or warranty support with your third-party product, please contact the product manufacturer. Please consult the product documentation provided by the product manufacturer for details.

If you are uncertain whether your Product is eligible for Limited Warranty support, please contact our support team for clarification.

[a] If you are a customer outside of the U.S. and have validly purchased a Razer Extended Warranty for your product, the Warranty Period shall be extended for another one (1) year period, to be a total of two (2) years commencing upon the date of retail purchase of your Razer Product. The Razer Extended Warranty does not apply to batteries. Aside from the change to Warranty Period, the Razer Extended Warranty does not alter any other terms and conditions of the Limited Warranty.

[b] Products purchased prior to October 1st, 2018 maintain the original 1 year warranty (keyboards with mechanical switches maintain original 2 year warranty).

[c] Warranty period for Razer Firefly HyperFlux is 2 years.

[d] Products purchased prior to October 1st, 2018 maintain the original 6 month warranty.

[e] Limited Warranty: The Razer Iskur is free from defects in workmanship, materials and construction for three years from the date of purchase. In the event that a defect is found, the manufacturer will either repair or replace the defective item, at its discretion. Exclusions and Limitations: This Limited Warranty does not cover cosmetic damage, minor cosmetic abnormalities and normal wear and tear, including without limitation scratches, dents, discoloration and tears in the head pillow, seat cushion, PU leather, Armrest and stitches of the upholstery.

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