Keyboards

Voltball-3x5

A compact 3x5 low-profile split keyboard with a built-in trackball, hot-swappable Choc V2 switches, ZMK firmware, Bluetooth, and AA battery power.

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

~¥31,513

Where to buy

View at AliExpress

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Pros

  • Hot-swappable Choc V2 switches
  • AA battery power makes it easy to carry
  • Runs ZMK and has a built-in trackball
  • Supports Bluetooth 5.3 and USB

Cons

  • Reviews report a poorly fitting battery cover and a loosely held trackball sensor
  • A reviewer reported the original firmware lacked ZMK Studio support and had a Windows battery-reporting bug
  • Few keys, so layers are needed for numbers and symbols

Specs

SplitSplit
StaggerColumnar
TentingNone
KeywellNo
Thumb clusterNo
Keys—
LayoutsCustom
SwitchesLow-profile
Hot-swapYes
FirmwareZMK
DIY kitNo
ConnectivityBluetooth, USB receiver
OSwindows, macos, linux
Released—
Sources
AD · detail-mid

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