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Home > Slim X3 Bluetooth Backlit Keyboard | Satechi - Apple and PC Accessories
4.5
Rated 4.5 out of 5 stars
135 Reviews

Slim X3 Bluetooth Backlit Keyboard

$89.99

Color - Space Gray

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Always stay charged

M1 Wireless Mouse Mice Satechi Space Gray
M1 Bluetooth Mouse
$29.99
30 Day Returns
2 Yr Warranty
Free US Shipping Over $40

Connector Type

Wireless Bluetooth 5.0

Dimensions & Weight

Length: 16.69 in. / 42.4 cm 
Width: 4.5 in. / 11.5 cm 
Height: 0.4 in. / 1.2 cm 
Weight: 15.52 oz / 439.9 g 

SKU / UPC

ST-BTSX3M (Space Gray) / 879961009052
ST-BTSX3S (Silver) / 879961009311

Technical Specifications 

Bluetooth Version: 5.0  
Bluetooth Connectivity: Connect with up to 4 separate devices
Port Type: USB-C (Charging and Wired Mode) 
*Layout is in U.S. English only

MacBook

  • MacBook Pro 16-inch (2019 - 2024)
  • MacBook Pro 14-inch (2021 - 2025)
  • MacBook Pro 13-inch (2016 - 2023)
  • MacBook Pro 15-inch (2016 - 2019)
  • MacBook Air 15-inch (2022 - 2025)
  • MacBook Air 13-inch (2018 - 2025)

Mac

  • iMac (24-inch, 2021 - 2024)
  • iMac (Retina 4K, 21.5-inch, 2017)
  • iMac (Retina 5K, 27-inch, 2019–2020)
  • iMac (Retina 5K, 27-inch, 2017)
  • iMac Pro (2017)
  • Mac mini (2018 - 2025)
  • Mac Studio (2022 - 2025)
  • Mac Pro (2023)

iPad

  • iPad Pro 12.9-inch (2018 - 2025)
  • iPad Pro 11-inch (2018 - 2025)
  • iPad Air 4th, 5th, 6th gen (M2)
  • iPad 10th, 11th gen
  • iPad mini 6th, 7th gen

iPhone

  • iPhone 12-17 Series (Mini, Plus, Pro, Pro Max, Air)
  • iPhone 16e
  • iPhone 11 Series (Pro, Pro Max)
  • iPhone X/ XR/ XS/ XS Max

Windows

  • Microsoft Surface Pro 4/5/6/7/8/9 
  • Microsoft Surface Laptop Studio 
  • Lenovo ThinkPad X13 Gen 2 
  • Lenovo X1 Gen 1 Carbon 
  • Lenovo Yoga 720-13IKB 
  • Lenovo Legion S7 15ACH6 
  • Dell XPS 13 9315
  • HP Spectre & other USB-C Devices

Not recommended for 2011 & older Mac devices.

Important: Does not support Windows 7 or 8, please only use with Windows 10 devices.
To connect to Windows 10 devices, please add your keypad through PC's Control Panel. Click here for a Windows 10 pairing guide.

What's In The Box

  • Slim X3 Bluetooth Backlit Keyboard
  • USB-C Charging Cable
  • Rubber Risers 
  • User Manual

Quick Guide

Download

Frequently Asked Questions

FAQ

California Residents

See CA Proposition 65 Warning

Optimized for Mac

The Slim X3 Keyboard

    Type in Style

    Designed with Apple users in mind, the Slim X3 Keyboard features an extended layout with MacOS function keys in an ultra-compact, sleek design that perfectly complements your Apple devices. 

    Image
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    Convenience at Your Fingertips

    With ten adjustable brightness levels, you can easily customize the keyboard’s backlight to suit your preference and enhance visibility in any environment.  

Multitask in Style

Multi-Device Bluetooth

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4.5
Rated 4.5 out of 5 stars
Based on 135 reviews
Slide 1 selected
Total 5 star reviews: 100 Total 4 star reviews: 14 Total 3 star reviews: 10 Total 2 star reviews: 6 Total 1 star reviews: 5
135 reviews
  • Tracy A.
    Verified Buyer
    1/8/26
    Rated 5 out of 5 stars
    Great build and features

    Solid quality feel and construction. Like the flexibility of corded or BT option.

    Was this helpful?
  • Raymond T.
    Verified Buyer
    12/25/25
    Rated 5 out of 5 stars
    Does what it says on the box.

    Thoroughly satisfied with it. Ticks all the boxes. Nice feel, and key travel. Seems to be solidly made to last.

    Was this helpful?
    S Profile picture for Satechi
    Satechi
    12/25/25

    Hello Raymond,

    Thank you for taking the time to share your positive feedback about the Slim X3 Bluetooth Backlit Keyboard.

    We're delighted to hear that you're thoroughly satisfied with your keyboard and that it has met all your expectations. It's wonderful to know that you're pleased with the key feel, travel, and overall build quality – these are aspects our design team focuses on carefully to ensure a premium typing experience that will serve users well over time.

    Your feedback about the solid construction and durability is particularly appreciated, as we strive to create keyboards that provide reliable performance for years to come. Reviews like yours help other customers understand what they can expect from the Slim X3 and reinforce our commitment to delivering quality mechanical keyboards.

    We're thrilled that the keyboard is performing exactly as intended and that you're enjoying the typing experience it provides.

    Many regards,
    Satechi Customer Support

  • Keeley
    12/19/25
    Rated 5 out of 5 stars
    5 Stars

    Love this slim bluetooth blacklit keyboard! Exactly what I was looking for, highly recommended!

    Was this helpful?
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