BTXETUEL SayoDevice OSU O3C Mini Keypad
BTXETUEL

BTXETUEL SayoDevice OSU O3C Mini Keypad

$36.99across 1 retailer
Lowest price
$36.99 at Amazon
Price seen Oct 16, 2026

Pros

  • •Features rapid trigger Hall switches that are praised for responsiveness.
  • •Magnetic linear switches provide smooth keystrokes.
  • •Built-in knob and screen add customization and convenience.
  • •Supports copy/paste, shortcuts, and macros for productivity.
  • •Hot-swappable design makes switching switches easy without soldering.
  • •Compact mini keypad ideal for limited desk space or specialized setups.
  • •Well-built with durable materials, according to user feedback.
  • •Users appreciate the customizable macro functions for gaming or work.
  • •Looks modern and sleek, fitting into various setups.
  • •Easy to program and configure based on multiple reviews.

Cons

  • •Some users note a learning curve with the screen and macro setup.
  • •A few reviews mention that the knob can be somewhat stiff initially.
  • •Limited availability of detailed product documentation.
  • •Reported occasional firmware connectivity issues in certain setups.
  • •Not as budget-friendly compared to basic keyboards.
  • •Some users wish for more switch options out of the box.
  • •Slightly heavy and bulky for a mini keypad, according to a few comments.
  • •Rare mention of software bugs during customization.

Bottom Line

The BTXETUEL SayoDevice OSU O3C is a feature-rich, customizable mini keypad designed for gamers and power users who want fast, responsive switches combined with macro capabilities. It excels in build quality and flexibility, especially with its hot-swappable switches and programmable features. However, users should be comfortable with some setup effort and firmware adjustments. If you want a portable and highly customizable keyboard with advanced features, this might be a great choice; otherwise, you might consider simpler options or alternative macro keypads.

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