Keyboards

ProtoArc EK04 Split Ergonomic Keyboard

A one-piece wireless keyboard with a curved split key layout, a fixed hard palm rest and a separate numeric keypad, using scissor switches and switching between up to three devices over 2.4GHz or Bluetooth.

Some specs could not be matched to a source · Last verified: 2026-10-17

ProtoArc EK04 Split Ergonomic Keyboard
Image: © ProtoArc (Manufacturer image)
~$69.99

Where to buy

View at ProtoArcView at NeweggView at NeweggOfficial site

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Pros

  • Separate numeric keypad can be placed left, right or set aside
  • 2.4GHz receiver plus dual Bluetooth for up to 3 devices
  • USB-C rechargeable with up to 250 hours standby
  • Four tilt legs for adjusting the typing angle

Cons

  • Palm rest is hard and cannot be removed
  • USB-C cable is charge-only; no wired mode
  • No backlight
  • No tenting adjustment

Specs

SplitUnibody split
StaggerRow-staggered
TentingNone
KeywellNo
Thumb clusterNo
Keys—
LayoutsUS
SwitchesScissor
Hot-swapNo
FirmwareProprietary
DIY kitNo
ConnectivityUSB receiver, Bluetooth
OSwindows, macos, android
Released—
Sources
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