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Black rectangular mouse jiggler with carbon-fibre texture, USB cable attached

Keychron MJS1 Mouse Jiggler Black 5.2 x 3.65 x 1.5 inches

SKU CH-94X1-2TTPR

An undetectable USB mouse mover that simulates natural cursor activity to keep a computer awake without drivers or software

  • Dimensions50 Inches
  • ColorBlack
  • Thickness2mm
  • Specifications100% Undetectable, No Driver Needed, Natural Mouse Movement,
  • SizeSmall
  • Features100% Undetectable, No Driver Needed, Natural Mouse Movement,
  • Undetectable by IT systems — 100% stealth mouse simulation
  • Plug-and-play via USB — no drivers or software needed
  • Natural random movement keeps PC awake while you step away
  • Silent motor suits shared offices and quiet home setups
  • Ultra-slim 2 mm profile at 5.2 x 3.65 x 1.5 inches fits any desk

What the Keychron MJS1 Is

The Keychron MJS1 is a USB mouse jiggler that simulates natural cursor movement to keep a computer awake without triggering IT monitoring tools. It requires no drivers or software and works across Windows, macOS and Linux. Office workers and remote professionals who need their status to stay active during breaks will find it fits the role.

How It Fits Into a Setup

Plug the device into any free USB port and it begins moving the pointer immediately; no configuration or background service is needed. Its ultra-slim 2 mm profile and matte carbon-fibre finish sit unobtrusively on a desk, while the silent motor ensures it adds no audible distraction in shared or quiet spaces. The corded design means no batteries to manage.

Capacity and Headroom

The jiggler provides continuous, randomised motion for as long as it remains powered, covering typical away-from-desk periods such as meetings, coffee breaks or short errands. It cannot replace genuine user input for tasks that require clicks, scrolling or keyboard activity, so automated scripts or long-running processes that demand interaction will still pause.

Highlights

  • Undetectable by IT systems — 100% stealth mouse simulation
  • Plug-and-play via USB — no drivers or software needed
  • Natural random movement keeps PC awake while you step away
  • Silent motor suits shared offices and quiet home setups
  • Ultra-slim 2 mm profile at 5.2 x 3.65 x 1.5 inches fits any desk

Specifications

BrandKeychron
Part NumberMJS1
Dimensions50 Inches
ColorBlack
Thickness2mm
Specifications100% Undetectable, No Driver Needed, Natural Mouse Movement, Plug and Play, Portable, 5.2 L x 3.65 W x 1.5 H inches, USB, Corded Electric, 1, 2 Year
SizeSmall
Features100% Undetectable, No Driver Needed, Natural Mouse Movement, Plug and Play, Portable

Questions about this item

What physical size limit keeps the device portable for daily carry?

At 5.2 by 3.65 by 1.5 inches the jiggler fits in a laptop sleeve or small bag without adding bulk.

How much noise does the motor produce during all-day use?

The ultra-quiet motor runs silently so it will not disturb shared offices, late-night work or a sleeping baby.

Which host interface must the computer provide for plug-and-play operation?

A standard USB port is all that is required; no drivers or software are needed on Windows, macOS or Linux.

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