Satechi Slim X3 Bluetooth Backlit Keyboard for Mac – Multi-Device Wireless Keyboard

The Satechi Slim X3 Bluetooth Backlit Keyboard has been designed for Apple users who require a slim, full-size wireless keyboard with an extended layout. A sleek Space Gray profile is combined with dedicated macOS function keys, adjustable backlighting, and Bluetooth 5.0 connectivity, allowing a clean and comfortable desktop setup to be created for MacBook, iMac, Mac mini, Mac Studio, iPad, iPhone, and compatible Windows devices.

Up to four separate Bluetooth devices can be connected, allowing compatible computers, tablets, and smartphones to be switched between without repeatedly pairing the keyboard. Ten adjustable backlight brightness levels are provided to improve key visibility in different lighting environments, while the built-in rechargeable battery can be charged through USB-C for convenient everyday use.

A USB-C port is included for both charging and wired operation, providing additional flexibility when wireless connectivity is not preferred. With its extended layout, slim 0.4-inch profile, lightweight aluminum-style design, and Mac-optimized controls, the Satechi Slim X3 can be integrated into home offices, professional workstations, and multi-device desk setups.

Key Features

• Extended Mac-Optimized Layout: An extended keyboard layout with dedicated macOS function keys is provided, allowing familiar Apple controls to be accessed directly while maintaining a slim profile.
• Bluetooth 5.0 Wireless Connectivity: Bluetooth 5.0 is supported for a stable wireless connection with compatible computers, tablets, and smartphones.
• Connect Up to 4 Devices: Up to four separate Bluetooth devices can be paired, and switching between connected devices can be performed conveniently for improved multitasking.
• 10-Level Adjustable Backlighting: Ten brightness levels are provided, allowing the illuminated keys to be adjusted according to the surrounding lighting and personal preference.
• Designed for Low-Light Typing: Backlit keys are included to improve keyboard visibility when work is being completed in darker rooms or during nighttime use.
• USB-C Rechargeable Battery: The keyboard is powered by a rechargeable battery, which can be conveniently charged through its USB-C connection for regular daily use.
• USB-C Wired Mode: In addition to Bluetooth operation, the USB-C port can be used for wired keyboard connectivity.
• Slim, Minimal Profile: A height of only 0.4 inches / 1.2 cm is maintained, allowing a clean and streamlined desktop setup to be created.
• Broad Device Compatibility: Compatibility is provided across a wide range of MacBook, Mac, iPad, iPhone, Microsoft Surface, Lenovo, Dell, HP, and other USB-C devices.

Technical Specifications

Product Name: Satechi Slim X3 Bluetooth Backlit Keyboard

Color: Space Gray

Connector Type: Wireless Bluetooth 5.0

Bluetooth Version: 5.0

Bluetooth Connectivity: Connect with up to 4 separate devices

Port Type: USB-C (Charging and Wired Mode)

Backlighting: Adjustable backlit keys with 10 brightness levels

Layout: Extended layout with macOS function keys

Keyboard Language: U.S. English only

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

• SKU: ST-BTSX3M (Space Gray)
• UPC: 879961009052

Compatibility

MacBook Neo

• MacBook Neo (13-inch, 2026)

MacBook

• MacBook Pro M5 Max (14" & 16", 2026)
• MacBook Pro M5 Pro (14" & 16", 2026)
• 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 Air M4 (11" & 13", 2026)
• 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 17e
• 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 & Other USB-C Devices

• 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

Note: The Satechi Slim X3 Bluetooth Backlit Keyboard is not recommended for 2011 and older Mac devices.

Conclusion

The Satechi Slim X3 Bluetooth Backlit Keyboard is designed as a versatile wireless keyboard for users who work across multiple Apple and compatible Windows devices. An extended Mac-optimized layout, Bluetooth 5.0 connectivity for up to four devices, ten-level adjustable backlighting, USB-C charging, and wired operation are combined in a slim profile. For MacBook, iMac, Mac mini, Mac Studio, iPad, iPhone, and compatible USB-C setups, convenient multi-device control and comfortable everyday typing are provided.