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This User Manual covers all features, setup, and safety information for the Satechi Slim X2 Bluetooth Backlit Keyboard (ST-BTSX2M).

What's In The Box

Slim X2 Bluetooth Backlit Keyboard, USB-C Charging Cable, User Manual.

Specifications

Model: ST-BTSX2M
Dimensions: 14.29" x 4.5" x 0.47"
Weight: 0.83 lbs
Wireless Connectivity: Bluetooth
System Requirements: Bluetooth 3.0 or later | macOS X v10.4 or later | iOS 13 & Above (Bluetooth enabled)

Functions

1. On/Off Switch — Slide switch on top of the keyboard to power on or off.
2. Power/Charging LED Indicator — Shows battery and charging status.
3. Fn Lock LED Indicator — Lights up brighter when Fn Lock is enabled.
4. Bluetooth Device Keys with LED Indicator — Keys 1, 2, 3, 4 to switch or pair Bluetooth channels.
5. USB-C Charging Port — Connect USB-C cable here to charge the keyboard.
6. Media / Function Keys — Top row for media controls and system shortcuts.
7. Caps Lock LED Indicator — Lights up when Caps Lock is active.
8. Fn Key — Hold with other keys to access function key shortcuts.
9. Numberpad — Numeric keypad on the right side of the keyboard.

Note: The keyboard layout function is based on iOS and macOS default settings. The output might differ for different OS.

Setup

Powering On / Off

To turn the keyboard on or off, move the slide switch on the top of the device to the "on" position. The power indicator turns green for approximately 3 seconds and then turns off.

Pairing Your Devices

The Slim X2 supports up to 4 Bluetooth devices simultaneously.

1. Press and hold one of the Bluetooth Keys (1, 2, 3, or 4) for approximately 3 seconds. The white LED will start blinking.
2. On your device, open Bluetooth settings and look for "Slim X2 Keyboard". Select "Connect" to pair.
3. The white LED will stop blinking when pairing is successful. Repeat to add up to 4 devices.

Switch between paired devices: Quickly press 1, 2, 3, or 4 to switch between paired devices.

Note: After 30 minutes of inactivity, the keyboard enters sleep mode — press any key to wake it. To use F1–F15 function keys, press the Fn key together with the corresponding key.

Wired Mode

The Slim X2 also supports USB wired connectivity. Press Fn + Eject to activate wired mode when a USB-C cable is connected. The power LED turns green. Press 1–4 to switch back to Bluetooth mode.

Charging Your Keyboard

When the battery is low, the power indicator will flash green. Connect the keyboard to a computer or USB-C wall adapter using the included USB-C charging cable. Charge for 2 to 3 hours, or until the red charging LED turns green. The keyboard can be used wired or wirelessly while charging.

LED Indicators

Power/Charging LED:
On/Off — turns green for 4 seconds, then turns off.
Low Battery — flashes green.
Charging — turns red.
Fully Charged — turns green and stays green.

Fn Lock LED: Press Fn + Esc to swap between Media keys and F-Keys. The white LED gets brighter when Fn Lock is enabled.

Backlight

There are 10 backlight levels. Adjust brightness at any time:
F5 — Decrease keyboard backlight
F6 — Increase keyboard backlight

Note: The keyboard has a white backlight only. The backlight turns off automatically when the battery is low.

Hot Key Function Guide

Safety Instructions

Warning: Fire, electric shock, or damage to the keyboard could occur if the following instructions are not obeyed.

1. Keep away from microwave radiation sources.
2. Do not place heavy objects on this product.
3. Avoid dropping or bending the keyboard.
4. Keep away from oil, chemicals, or organic solvents.