DOIO KB04 01 vs Keychron K0 MaxMacro Pad or Numpad

No. The KB04 01 is a macropad with four keys and one knob, so it is intended to add dedicated controls rather than replace a full keyboard.

Keychron lists the K0 Max as a 27-key numpad. Its layout also includes a macro column and a rotary encoder knob on the left side.

No. The KB04 01 is wired only and uses USB-C connectivity. The vendor description also specifies two USB-C ports, one facing each direction.

Yes. The K0 Max supports Bluetooth and 2.4 GHz wireless, as well as a wired connection. Keychron lists a 750 mAh battery and up to 50 hours of use.

No. The K0 Max requires low-profile keycaps, and its compatibility rules specify that standard MX keycaps will not fit. Keychron lists low-profile double-shot PBT keycaps as the included keycap type.

Yes, both are listed as hot-swappable. The K0 Max is limited to Gateron or Keychron low-profile mechanical switches, while the KB04 01 vendor description identifies its PCB as hot-swap.

Both product listings specify QMK and VIA support. Keychron also describes its Launcher web app for configuring the K0 Max, while the DOIO vendor page describes VIA control for its keys, knob, and backlight.

The KB04 01 is the smaller, lighter option at 32 x 54 x 85 mm and 140 g. The K0 Max weighs 176.3 g and measures 99 x 116 mm.

The Keychron K0 Max is the direct fit for numeric entry because it has a 27-key numpad layout. The DOIO KB04 01 has only four keys and a knob.

Both products have north-facing LEDs, and their compatibility rules warn that Cherry-profile keycaps can hit the switch housing. The DOIO KB04 01 also has a south-facing LED rule noting potential clipping with some sculpted keycaps.

Both have RGB backlighting. The DOIO vendor says its backlight can be programmed with VIA, while Keychron lists 22 RGB backlight effect types for the K0 Max.

Yes. Keychron lists N-key rollover for both wireless and wired modes. The DOIO KB04 01 listing does not specify N-key rollover.