DeLUX KF19

DeLUX Foldable Bluetooth Keyboard (KF19)

User Manual

1. Introduction

This user manual provides detailed instructions for the DeLUX KF19 Foldable Bluetooth Keyboard. Please read this manual carefully before using the product to ensure proper operation and to maximize its lifespan. This keyboard is designed for portability and multi-device compatibility, making it ideal for use with smartphones, tablets, PCs, and laptops across various operating systems including iOS, Android, Windows, and Mac OS.

2. Product Overview

2.1 Product Components

The DeLUX KF19 Foldable Bluetooth Keyboard package includes the following items:

2.2 Key Features

The DeLUX KF19 keyboard offers several features designed for convenience and efficiency:

2.3 Product Visuals

DeLUX KF19 Foldable Bluetooth Keyboard with a smartphone on a stand
Figure 2.3.1: The DeLUX KF19 Foldable Bluetooth Keyboard unfolded, shown with a smartphone on its included stand holder.
DeLUX KF19 Foldable Bluetooth Keyboard connected to three devices: a smartphone, a tablet, and a desktop monitor
Figure 2.3.2: The keyboard demonstrating its multi-device connectivity, labeled BT1, BT2, and BT3 for different paired devices.
Close-up view of the DeLUX KF19 keyboard keys showing the scissor switch mechanism
Figure 2.3.3: A detailed view highlighting the quiet scissor switch key mechanism, which provides a comfortable typing experience.
DeLUX KF19 keyboard being charged via USB-C cable, with charging time and standby time indicators
Figure 2.3.4: The keyboard's rechargeable battery feature, indicating 1.5 hours charging time for 60 days standby time.
DeLUX KF19 keyboard folding with magnetic closure arrows
Figure 2.3.5: The magnetic closure mechanism, which helps prevent accidental opening when the keyboard is folded and stored.
DeLUX KF19 keyboard folded, showing its compact dimensions and weight
Figure 2.3.6: The compact, portable size of the keyboard when folded, highlighting its dimensions and light weight of 6.6 ounces.
DeLUX KF19 keyboard and tablet on an airplane tray table
Figure 2.3.7: The keyboard in a travel scenario, demonstrating its suitability for use in confined spaces like an airplane tray table.

3. Setup

3.1 Charging the Keyboard

Before first use, or when the battery is low, charge the keyboard using the provided USB cable. Connect the USB cable to the keyboard's charging port and the other end to a USB power source (e.g., computer USB port, wall adapter).

DeLUX KF19 keyboard being charged via USB cable, showing charging and standby times
Figure 3.1.1: Charging the keyboard and its battery life indicators.

3.2 Bluetooth Pairing

The DeLUX KF19 keyboard supports connection to up to three Bluetooth devices simultaneously. Follow these steps to pair your keyboard:

  1. Power On: Unfold the keyboard to automatically power it on.
  2. Select Channel: Press the Fn key simultaneously with one of the Bluetooth channel keys (BT1, BT2, or BT3) to select a channel. The corresponding indicator light will blink.
  3. Enter Pairing Mode: Press Fn + C (or the dedicated pairing key if available, often labeled with a Bluetooth symbol) to enter pairing mode. The indicator light for the selected channel will blink rapidly.
  4. Enable Bluetooth on Device: On your device (smartphone, tablet, PC), go to Bluetooth settings and turn on Bluetooth.
  5. Select Keyboard: Look for "DeLUX KF19" or a similar name in the list of available devices and select it to connect.
  6. Confirm Connection: Once connected, the indicator light on the keyboard will stop blinking and remain solid for a few seconds before turning off.

Repeat these steps for up to three different devices using BT1, BT2, and BT3 channels.

DeLUX KF19 keyboard connected to three devices, showing Bluetooth channels
Figure 3.2.1: The keyboard's ability to connect to and switch between three different Bluetooth devices.

4. Operating Instructions

4.1 Power On/Off

DeLUX KF19 keyboard folding and unfolding, illustrating automatic wake and sleep functions
Figure 4.1.1: The keyboard's automatic power management through its folding mechanism.

4.2 Switching Between Devices

To switch between your paired devices, simply press Fn and the corresponding channel key (BT1, BT2, or BT3). The keyboard will quickly connect to the selected device.

4.3 Operating System Switching

The keyboard is optimized for different operating systems. To switch the keyboard's layout and function keys for your specific OS, press Fn simultaneously with the relevant OS key:

4.4 Multimedia Functions

The keyboard features dedicated multimedia function keys (F1-F12) that can be accessed by pressing the Fn key in combination with the desired function key. These shortcuts provide convenient access to media controls, volume adjustments, and other system functions.

DeLUX KF19 keyboard showing multimedia shortcut keys
Figure 4.4.1: Overview of the multimedia shortcut keys available on the keyboard.

5. Maintenance

Proper maintenance ensures the longevity and optimal performance of your DeLUX KF19 keyboard.

6. Troubleshooting

If you encounter issues with your DeLUX KF19 keyboard, please refer to the following common problems and solutions:

ProblemPossible CauseSolution
Keyboard does not power on.Low battery; keyboard not unfolded correctly.Charge the keyboard fully. Ensure the keyboard is fully unfolded to activate.
Cannot connect via Bluetooth.Keyboard not in pairing mode; device Bluetooth off; interference; already connected to max devices.Ensure keyboard is in pairing mode (Fn + C). Check if Bluetooth is enabled on your device. Move closer to the device. Disconnect from other devices if necessary.
Keys are unresponsive or typing errors occur.Low battery; dust/debris under keys; incorrect OS mode.Recharge the keyboard. Clean keys with compressed air. Ensure correct OS mode is selected (Fn + Q/W/E).
Keyboard disconnects frequently.Low battery; too far from device; interference.Charge the keyboard. Keep the keyboard within the effective Bluetooth range (approx. 10 meters). Avoid strong electromagnetic interference.
Keyboard feels unstable on lap.Design for flat surface use.For optimal stability, use the keyboard on a flat, stable surface such as a desk or table.

7. Specifications

FeatureDetail
Model NumberKF19
Product Dimensions (Unfolded)11.43 x 3.97 x 0.34 inches (29.03 x 10.08 x 0.86 cm)
Item Weight6.6 ounces (187 grams)
Connectivity TechnologyBluetooth
Number of Keys65
Fold Style2-fold
Battery TypeLithium Ion (included)
Charging TimeApprox. 1.5 hours
Usage Time (Full Charge)Up to 60 hours
Standby Time (Full Charge)Up to 60 days
Compatible DevicesPC, Smartphone, Tablet
Compatible OSAndroid, Windows, iOS, Mac OS
ColorBlack

8. Warranty and Support

DeLUX products are manufactured with high-quality standards. For warranty information, technical support, or any inquiries regarding your DeLUX KF19 Foldable Bluetooth Keyboard, please visit the official DeLUX website or contact their customer service directly. Keep your purchase receipt as proof of purchase for warranty claims.

You can find more information and contact details on the DeLUX Brand Store on Amazon.

Related Documents - KF19

Preview Delux M800mini Ultra Wireless Gaming Mouse User Manual - Specifications and Guide
Official user manual for the Delux M800mini Ultra wireless gaming mouse. Learn about its advanced features, including the PAW3950 sensor, 30000 DPI, 8KHz polling rate, and lightweight 46g design.
Preview DELUX GM902PRO Ergonomic Keyboard User Manual
User manual for the DELUX GM902PRO Ergonomic Keyboard, detailing setup, connection, battery indicators, and key functions for wireless and Bluetooth connectivity.
Preview DELUX M900 Series Mouse User Manual and Warranty
Official user manual and warranty information for the DELUX M900 Series mouse, detailing DPI settings, connection modes, FCC compliance, hazardous substances, and warranty terms.
Preview DELUX HB206-2 Wireless Bluetooth Keyboard: User Manual and Specifications
Get detailed setup instructions, features, key functions, troubleshooting tips, and technical specifications for the DELUX HB206-2 wireless Bluetooth membrane keyboard.
Preview DELUX GM909 Ultra-thin Ergonomic Wireless Keyboard User Manual
User manual for the DELUX GM909 wireless keyboard, detailing 2.4G and Bluetooth connectivity, multimedia functions, indicator lights, and setup instructions.
Preview DELUX HD308-3G02 Wireless Ergonomic Keyboard User Manual
User manual for the DELUX HD308-3G02 Wireless Ergonomic Keyboard, detailing connection, usage, features, indicator lights, multimedia functions, design specifications, and FCC compliance information.