Firstblood B21 Mechanical Keyboard

The Firstblood B21 Retro is a compact 68-key mechanical keyboard designed for users who want a blend of retro aesthetics and versatile connectivity. It suits those needing a space-efficient layout with both Bluetooth wireless and USB Type-C wired options. The keyboard targets users who value durable keycaps, multiple device pairing, and customizable lighting effects without requiring extensive customization or advanced firmware features.

Key Features

• Dual-mode connectivity allows seamless switching between Bluetooth and wired USB, supporting up to three devices for flexible use across multiple systems.
• Dynamic white backlighting with various built-in effects enhances visibility and user experience in low-light environments.
• All-key rollover ensures simultaneous key presses register correctly, benefiting fast typists and gamers.
• SA spherical PBT keycaps provide a sculpted, durable typing surface that resists shine and wear over time.

Build Quality and Design

• The keyboard features a retro-inspired color scheme and design with a sturdy construction aimed at durability.
• Its 68-key layout balances compactness with functional keys, saving desk space while maintaining essential inputs.
• The keyboard foot angles the device at 6.68°, combined with a 5-row arc-shaped keycap profile, to support ergonomic hand positioning.

Typing Experience

• Equipped with Cherry mechanical switches, the keyboard delivers a consistent tactile response favored by many typists and gamers.
• SA profile keycaps create a distinctive curved surface that can improve finger placement and typing accuracy.
• Sound and acoustics are typical of Cherry switches with PBT keycaps; no additional sound dampening features are noted.

Connectivity and Battery

• Bluetooth mode supports connection to three devices, enabling quick device switching without reconnecting.
• Wired connection uses a Type-C cable for stable, low-latency input when wireless is not preferred.
• Battery life is rated at up to 36 hours with lighting on and up to 240 hours with lighting off, with a standby time of approximately six months.

Compatibility

• Compatible with Windows XP through Windows 10 and Mac systems, covering a broad range of operating environments.
• Software support is available for Windows, allowing some customization of lighting and functions.

Trade-offs

• The 68-key layout omits a dedicated function row and number pad, which may limit productivity for users needing extensive key inputs.
• Software customization appears limited to Windows, with no mention of Mac or Linux support.
• Battery life estimates are theoretical and may vary with usage patterns.
• No information on hot-swappable switches or advanced firmware features, limiting modding potential.