Sirius Ursa Major Keyboard

$699.00 AUD Sale Save
Variant Keyboard - Silver w/ Gunmetal


About the Ursa Major:

The Ursa Major is a fully wireless Bluetooth split 75% keyboard from Sirius. Recognized as a single input device in the PC, Ursa Major needs no cable connection between each split and - supports cross-hand key combination and layers.

Case Colors:

  • Silver housing + Gunmetal mid-frame and weight
  • Black housing + Dark Green mid-frame and weight
  • Lavender housing + Silver mid-frame and weight
  • E-White housing + PVD Brass mid-frame and weight
    • 3D printed stand (clear)

    Key Features:

    • fully wireless Bluetooth split 75% keyboard recognized as a single input device

    • supports cross-hand key combination and layers

    • top mount, soldered PCB, dual mode (wired and Bluetooth wireless)

    • Built-in lithium battery type-c charging, the battery life expectancy: half a year (some vendors might not offer lithium batteries due to shipping regulations; see more below)

    • fr4 plate with an antenna integrated for signal boosting

    • Fully programmable using the LNE LINK ( or, available for both Windows and MacOS. No flashing is required.

    • Programmable knob

    • The weight is the same colour as the middle frame with a brushed finish (E-white limited edition comes with a PVD brass middle frame and weight)

    • Supports plate mount stabilizers

    • Comes with a hard carry case

    Kit contains:

    • Anodized aluminium housing

    • Middle frame and weight (regular version is aluminium, E-White limited version is brass)

    • PCB

    • fr4 plate

    • lithium batteries (some vendors might not be able to offer lithium batteries)

    • Dampener sheet

    Basic Info

    • Weight (Carrying case + Keyboard kit): 3100g (E-white version estimate: 3400g)

    • Dimensions (Carrying case): 55*26*10cm

    • Mid frame + weight ~ 300g

    • Assembly weight ~ 200g

    • Stand ~ 400g


    • Uses 2 Nokia BL-5J lithium batteries