Sirius Ursa Major Keyboard
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
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3D printed stand (clear)
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Key Features:
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fully wireless Bluetooth split 75% keyboard recognized as a single input device
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supports cross-hand key combination and layers
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top mount, soldered PCB, dual mode (wired and Bluetooth wireless)
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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)
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fr4 plate with an antenna integrated for signal boosting
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Fully programmable using the LNE LINK (https://www.lnelab.com/ or https://github.com/ln-org/lne_
link ), available for both Windows and MacOS. No flashing is required. -
Programmable knob
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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)
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Supports plate mount stabilizers
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Comes with a hard carry case
Kit contains:
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Anodized aluminium housing
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Middle frame and weight (regular version is aluminium, E-White limited version is brass)
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PCB
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fr4 plate
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lithium batteries (some vendors might not be able to offer lithium batteries)
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Dampener sheet
Basic Info
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Weight (Carrying case + Keyboard kit): 3100g (E-white version estimate: 3400g)
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Dimensions (Carrying case): 55*26*10cm
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Mid frame + weight ～ 300g
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Assembly weight ～ 200g
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Stand ～ 400g
Batteries:
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Uses 2 Nokia BL-5J lithium batteries