Skip to main content
Satechi Slim EX3 Wireless Keyboard, Bluetooth & 2.4 GHz, Space Black
Satechi

Satechi Slim EX3 Wireless Keyboard, Bluetooth & 2.4 GHz, Space Black

Bottom line: The Satechi Slim EX3 Wireless Keyboard: Pairs with 4 devices: 3 Bluetooth channels plus a 2.4 GHz USB dongle; main trade-off: no backlit keys, so typing in a dark room is harder.

Check price on Amazon

As an Amazon Associate, SpecPicks earns from qualifying purchases. Full disclosure →

Check price on Amazon → Compare to similar keyboards & mice

By , Founder & Editor-in-Chief · Listing data updated

Mike Perry — Hardware researcher since 2014. For retro PC hardware and period-correct parts, synthesises manufacturer documentation, community compatibility lists and marketplace listings rather than first-hand lab testing. Core beat: GPU performance across gaming, rendering, and local-LLM inference.

Pros & Cons

Pros

  • ✓ Pairs with 4 devices: 3 Bluetooth channels plus a 2.4 GHz USB dongle
  • ✓ Physical OS toggle makes shortcuts behave natively on macOS or Windows
  • ✓ Low-profile scissor keys for quiet, tactile typing in shared spaces
  • ✓ 450mAh USB-C battery rated for up to five weeks per charge
  • ✓ Backed by Satechi's 2-year limited warranty on materials and workmanship

Cons

  • ✗ No backlit keys, so typing in a dark room is harder
  • ✗ Compact footprint may feel cramped if you prefer a full-size board
  • ✗ Scissor switches lack the key travel and feel of mechanical keyboards
  • ✗ 2.4 GHz mode needs the USB dongle, which takes a port and is easy to lose

Related Products

Other products in this category you may like:

SpecPicks Verdict

SpecPicks scored Satechi Slim EX3 Wireless Keyboard using a rating × review-volume × price-fit model applied to published specs and reviews across the keyboards & mice category. Satechi's keyboards & mice lineup sits within the broader category mid-tier; price and specs are the deciding factors over brand loyalty here. Judge it on the specification table and the price rather than on sentiment: check the figures that decide your use case, then put it side-by-side with two or three close alternatives in the Compare tool before clicking through.

Common buyer scenarios for keyboards & mice of this kind: matching it to an existing build, replacing a failing part, or upgrading from a previous-generation equivalent. Check the spec table below against your current setup — particularly socket / form-factor / power-rating fields — and confirm compatibility on the retailer's listing before purchase. Prices and stock are set by the retailer and may have moved since this page was last updated.

Key Features

  • 𝗖𝗼𝗺𝗽𝗮𝗰𝘁 𝗣𝗼𝘄𝗲𝗿 – A minimalist keyboard that blends portability and performance. The EX3 keeps you connected to all your devices — Mac, Windows, tablet, or phone — while fitting effortlessly into smaller setups. Its calm, quiet typing experience lets you stay in your zone anywhere.
  • 𝟰-𝗶𝗻-𝟭 𝗠𝘂𝗹𝘁𝗶-𝗗𝗲𝘃𝗶𝗰𝗲 𝗖𝗼𝗻𝗻𝗲𝗰𝘁𝗶𝘃𝗶𝘁𝘆 – Connect to Mac, Windows, tablet, and phone — three Bluetooth channels + one 2.4GHz dongle for instant switching.
  • 𝗜𝗻𝘀𝘁𝗮𝗻𝘁 𝗢𝗦 𝗞𝗲𝘆 𝗥𝗲𝗺𝗮𝗽 𝘄𝗶𝘁𝗵 𝗤𝘂𝗶𝗲𝘁 & 𝗣𝗿𝗲𝗰𝗶𝘀𝗲 𝗧𝘆𝗽𝗶𝗻𝗴 – A physical OS toggle ensures shortcuts feel native on macOS or Windows, while low-profile scissor keys deliver smooth, tactile, and quiet keystrokes.
  • 𝗪𝗲𝗲𝗸𝘀 𝗼𝗳 𝗣𝗼𝘄𝗲𝗿 – USB-C rechargeable 450mAh battery lasts up to five weeks per charge. No backlit keys, prioritizing power efficiency and affordability.
  • 𝗪𝗵𝗮𝘁 𝗬𝗼𝘂 𝗚𝗲𝘁 – We offer prompt customer service and a user manual for your convenience. Plus, Satechi products are backed by a 2-year limited warranty, protecting against defects in materials and workmanship under normal use.

Full Specifications

BrandSatechi
ColorSpace Black
StyleContemporary
LanguageEnglish
MaterialGalvanized Steel, Plastic
Style NameContemporary
Switch TypeScissor
ConnectivityBluetooth, USB-C, 2.4GHz
Model NumberST-KEX3C-EN
Power SourceBattery Powered
CompatibilityMac
Built-In MediaUSB-C to USB-C Charging cable, User Manual
Button Quantity108
Connection TypeWireless
Keyboard LayoutQWERTY
Mfr Part NumberST-KEX3C-EN
Number of Items1
Special FeatureNo backlight, Rechargeable, Removable Battery 450mAh Li-Ion Battery
Antenna LocationBusiness, Education, Everyday Use
Hand OrientationAmbidextrous

Ready to buy?

Satechi Slim EX3 Wireless Keyboard, Bluetooth & 2.4 GHz, Space Black is listed on Amazon. Price, availability, shipping and returns are set by Amazon and its sellers — check the listing for current terms. SpecPicks earns a small commission on qualifying purchases — thank you for supporting independent review work.

Check price on Amazon →

Related Keyboards & Mice

Keep exploring SpecPicks

Other buying guides

Browse the catalog

Editorial

More guides & deep dives from the SpecPicks archive

Browse all articles & guides →

More reviews from the SpecPicks archive

Browse all reviews →

Earliest SpecPicks reviews

Browse full archive →
Satechi Slim EX3 Wireless Keyboard, Bluetooth & 2.4 GHz, Space Black
View on Amazon →