Razer RZ03-05450800-R3U1

Razer BlackWidow V4 Low Profile TKL HyperSpeed Wireless Gaming Keyboard User Manual

Introducció

This manual provides essential information for setting up, operating, maintaining, and troubleshooting your Razer BlackWidow V4 Low Profile TKL HyperSpeed Wireless Gaming Keyboard. Please read thoroughly to ensure optimal performance and longevity of your device.

Què hi ha a la caixa

  • Razer BlackWidow V4 Low-profile Tenkeyless HyperSpeed Keyboard
  • HyperSpeed Wireless Dongle + USB Dongle Adapter
  • Cable USB tipus A a USB tipus C
  • Guia de l'usuari (aquest document)

Configuració

1. Càrrega inicial

Before first use, it is recommended to fully charge your keyboard using the provided USB Type A to USB Type C cable. Connect the USB-C end to the keyboard and the USB-A end to a powered USB port on your computer or a wall adapter.

2. Opcions de connectivitat

Your Razer BlackWidow V4 Low Profile TKL keyboard offers three connectivity modes:

  • HyperSpeed Wireless (2.4GHz): For a lag-free gaming experience with a 1000Hz polling rate. Use the included HyperSpeed Wireless Dongle.
  • Bluetooth: Connect up to three Bluetooth-enabled devices simultaneously for multi-tasking efficiency.
  • Cablejat (USB-C): Connect directly to your PC using the USB Type A to USB Type C cable for a stable, wired connection and simultaneous charging.
posterior view of Razer BlackWidow V4 Low Profile TKL keyboard showing USB-C port and wireless switch.

Imatge: Part posterior view of the keyboard, highlighting the USB-C port and the wired/wireless switch.

3. Software Installation (Razer Synapse 4 & Chroma App)

For full customization of lighting, macros, and other features, download and install Razer Synapse 4 and the Chroma App from the official Razer website. These applications allow you to:

  • Remap keys and create macro layers.
  • Customize RGB lighting effects (Chroma effects).
  • Enllaç profiles to specific applications or games.
  • Manage onboard memory for settings.

Funcionament del teclat

Característiques i controls principals

Three Razer BlackWidow V4 Low Profile TKL keyboards showing different low-profile interruptors mecànics.

Image: Close-up of three keyboards displaying the different low-profile mechanical switch types.

  • Pro baixfile Orange Mechanical Switches: Experience quick, quiet actuation with a tactile bump. These switches have a 1.6 mm actuation point and require 45g of force.
  • Ultra-Low 18.5mm Front Height: Designed for ergonomic comfort, reducing wrist strain during extended use. The keyboard features a solid 5052 aluminum alloy top case for durability.
lateral view of the Razer BlackWidow V4 Low Profile TKL keyboard with a penny for scale, illustrating its 18.5mm front height.

Imatge: Side profile of the keyboard demonstrating its ultra-low 18.5mm front height.

  • Textured Doubleshot PBT Keycaps: Durable and fade-resistant keycaps with optimized legends for enhanced backlight illumination.
  • Optimized Typing Experience: Features lubricated stabilizers and dual sound-dampening foams for clean keystrokes and improved acoustics.
Explotat view diagram of the Razer BlackWidow V4 Low Profile TKL keyboard components, including keycaps, switches, and internal foams.

Imatge: Explosió view of the keyboard's internal construction, showing layers for optimized typing.

Controls dedicats

Close-up of the multi-function roller and three control buttons on the Razer BlackWidow V4 Low Profile TKL keyboard.

Image: Detail of the multi-function roller and dedicated control buttons.

  • Corró multifunció: Adjust volume or remap to other functions via Razer Synapse.
  • Botons de control multimèdia: Dedicated buttons for play/pause, next track, and previous track.
  • Connectivity Buttons: Toggle between 2.4GHz HyperSpeed Wireless and Bluetooth modes.
  • AI Prompt Button: Launch the AI Prompt Master via Synapse for quick AI interactions.
  • Botó d'estat de la bateria: Press to display the current battery level on the number row.

Mode d'estalvi d'energia

To conserve battery life, press and hold the Battery Status button for 3 seconds to activate Power Saving Mode. In this mode, the keyboard:

  • Pauses communication with Synapse.
  • Shuts down RGB lighting.
  • Reduces the polling rate to 250Hz.

This mode extends battery life significantly, up to 980 hours in idle state when fully charged.

Razer BlackWidow V4 Low Profile TKL keyboard displaying '980 HRS' for ultra-long battery life.

Image: Keyboard highlighting its ultra-long battery life capability.

Manteniment

Neteja

Una neteja regular ajuda a mantenir l'aspecte i la funcionalitat del teclat:

  • Utilitzeu un drap suau i sense pelusa lleugerament dampened with water to wipe down the keycaps and chassis.
  • For stubborn dirt, a small amount of isopropyl alcohol can be used on the cloth.
  • Avoid spraying cleaners directly onto the keyboard.
  • Use compressed air to remove debris from between keycaps.

Cura de les tecles

The Doubleshot PBT keycaps are designed for durability. If removal is necessary for deep cleaning or replacement, use a keycap puller to avoid damage. Apply gentle, even pressure when removing and reattaching keycaps.

Resolució de problemes

Problemes de connectivitat

  • Wireless (2.4GHz/Bluetooth): Ensure the keyboard is charged and within range of the receiver/device. Check that the correct connectivity mode is selected on the keyboard. Re-pair the device if necessary.
  • Amb cable: Verify the USB-C cable is securely connected to both the keyboard and the PC. Try a different USB port or cable.

Avaries d'il·luminació

  • Ensure Razer Synapse and Chroma App are running and updated.
  • Check lighting settings within the Chroma App for any disabled effects or low brightness.
  • If specific keys are not lighting up, check for physical damage or software conflicts.

Battery Life Concerns

  • Activate Power Saving Mode when not actively gaming or requiring full RGB lighting.
  • Ensure the keyboard is fully charged. Battery life can vary based on usage, lighting intensity, and polling rate.

Problemes de programari

  • Ensure Razer Synapse and Chroma App are updated to the latest version.
  • Restart the applications or your computer.
  • If issues persist, consider reinstalling the Razer software.

Especificacions

CaracterísticaDetall
MarcaRazer
Nom del modelBlackWidow V4 Low Profile TKL HyperSpeed Wireless Gaming Keyboard
Número de modelRZ03-05450800-R3U1
Tecnologia de connectivitatSense fil de 2.4 GHz, Bluetooth, USB-C amb cable
Descripció del teclatPro baixfile Teclat de joc mecànic
Tipus de canviRazer Low Profile Orange Mechanical Switches (Tactile & Quiet)
Força d'accionament45 g
Punt d'actuació1.2 mm
Viatges totals2.8 mm
Material de clausTextured Doubleshot PBT
Alçada frontal18.5 mm
Material de la caixa superiorAliatge d'alumini 5052
Durada de la bateriaUp to 980 hours (in Power Saving Mode)
Taxa de votació1000Hz (Wireless), 250Hz (Power Saving Mode)
Nombre de claus87 (Sense clau)
Disposició del teclatQWERTY
Il·luminació del teclatRGB
Dimensions del producte (L x A x A)5.48" x 14.07" x 1.12"
Pes de l'article3.1 lliures
Dispositius compatiblesPC

Informació de la garantia

The Razer BlackWidow V4 Low Profile TKL HyperSpeed Wireless Gaming Keyboard comes with a Garantia del fabricant de 2 anys. Please retain your proof of purchase for warranty claims. For detailed terms and conditions, refer to the official Razer warranty policy on their weblloc.

Suport

For further assistance, technical support, or to access additional resources, please visit the official Razer Support weblloc:

support.razer.com

You can also find FAQs, driver downloads, and community forums on the support portal.

© 2026 Razer Inc. All rights reserved. Razer, the triple-headed snake logo, Razer Chroma, and other product names are trademarks or registered trademarks of Razer Inc. and/or affiliated companies in the United States and other countries.

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