Epomaker Firstblood B21 User Manual

Thank you very much for choosing B21 Mechanical Gaming Keyboard. The keyboard has a variety of cool functions and
light effects. Hope it will bring you a new senseof cooperation.
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Epomaker Firstblood B21 Specifications

General

Brand	Epomaker
Model	Firstblood B21
Category	Keyboard
Language	English

Summary

Keyboard Connection Methods

Bluetooth Mode Operation

Details connecting the keyboard via Bluetooth, including pairing, multi-device selection, and connection status indicators.

USB Wired Connection

Explains how to use the keyboard in USB wired mode and notes its charging capability when connected.

System and Multimedia Functionality

Dual System Mode Switching

Guides on switching between Windows and Mac system modes, detailing key function adjustments for each.

Multimedia Key Functions

Lists specific multimedia functions for F1-F12 keys in Windows mode and explains indicator light behavior.

Advanced FN Key and Knob Controls

FN Key Composite Functions

Details FN key combinations for brightness, light speed, function switching, and factory reset.

Knob Functionality

Explains the functions of the left knob for media control and the right knob for backlight and effects.