Keyboards

ひねもすたり Circa40

An assembled, row-staggered split wireless keyboard running ZMK, with a built-in 19mm trackball (PMW3610 sensor) and standard key pitch.

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

ひねもすたり Circa40
Image: © ひねもすたり (Manufacturer image)
~¥34,000

Where to buy

No US retailer found yet. Official site

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Pros

  • Familiar row-staggered layout makes moving to a split keyboard easier
  • Built-in 19mm trackball for pointing without leaving the keys
  • Can also be placed together and used like a one-piece board
  • ZMK firmware with up to five Bluetooth profiles

Cons

  • Keycaps are not included
  • Each half has a LiPo battery that needs careful handling
  • Sold only through BOOTH and currently out of stock

Specs

SplitSplit
StaggerRow-staggered
TentingNone
KeywellNo
Thumb clusterNo
Keys43
LayoutsCustom
SwitchesMechanical
Hot-swapNo
FirmwareZMK
DIY kitNo
ConnectivityUSB, Bluetooth
OSwindows, macos, linux
Released2026
Sources
AD · detail-mid

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