Introduction
This manual provides detailed instructions for the setup, operation, and maintenance of your TISHLED K19-IS Gasket Creamy Mechanical Numpad. Please read this manual thoroughly before using the product to ensure optimal performance and longevity.
Package Contents
Verify that all items listed below are included in your package:
- 1x Tri-Mode Programmable Mechanical Numpad
- 1x Nano 2.4G USB Receiver
- 1x USB C Cable
- 1x Keycaps & Switches Puller
Product Overview
The TISHLED K19-IS Numpad features a compact design with a multifunction knob and indicator lights. Below is an image illustrating the product's general appearance.

Image: The TISHLED K19-IS Gasket Creamy Mechanical Numpad in Mint color, showcasing its layout and design.
Setup
Tri-Mode Connection
The numpad supports three connection modes: Wireless 2.4GHz, Bluetooth 5.0, and Wired USB-C. You can connect and switch between devices easily.
- Wireless 2.4GHz: Connects to one device using the included Nano USB receiver.
- Bluetooth 5.0: Connects to up to three Bluetooth devices (BT1, BT2, BT3).
- Wired USB-C: Connects to one device via the USB-C cable.
To switch modes, press FN + 1/2/3/4/5 for BT1/BT2/BT3/2.4G/Wired mode respectively. The numpad is compatible with Windows, MacOS, iOS, and Android systems, supporting PCs, laptops, Macs, smartphones, iPads, and tablets.

Image: Diagram illustrating the three connection modes: Bluetooth 5.0, Wireless 2.4G, and Wired USB-C.
Battery and Charging
The numpad is equipped with a 1500mAh lithium battery. It features a low-power chip and energy-saving technology, providing 30-60 days of usage depending on activity. The backlight automatically turns off after 2 minutes of inactivity, and the keyboard enters Hibernation Mode after 30 minutes of idle time to conserve battery. Press any key to wake it up. To check the battery level, press FN + ..

Image: The numpad on a desk, highlighting its rechargeable and energy-saving features.
Operation
Programmable Keys
All 18 keys, excluding the FN key, are programmable using the dedicated keypad driver. You can customize each key with various functions, including system shortcuts, multimedia shortcuts, text input, one-click access for files/folders/web pages, and macros. The numpad retains these settings even after power loss. The keypad driver can be downloaded from: bit.ly/K19-Driver.

Image: The numpad with a laptop in the background, illustrating its 18 programmable keys.
RGB Backlight and PBT Keycaps
The numpad features true RGB backlighting with up to 18 backlight modes, supporting both RGB and single-color options. You can customize the backlight and activate music rhythm mode via the driver. It comes with ultra-durable PBT keycaps, ensuring legends do not wear away and remain dry and resistant to oil buildup.

Image: The numpad displaying its vibrant RGB backlighting and PBT keycaps.
19-Key NKRO and Multifunction Knob
All 19 keys support Anti-Ghosting (NKRO), ensuring every keystroke is registered even during rapid typing or intense gaming. The metal knob provides multifunctionality:
- Turn the knob to adjust volume.
- Click the knob for the Esc function.
- Press FN + Click the knob to switch to brightness mode, then turn the knob to adjust backlight brightness.
Additional FN key combinations for various functions:
| Key Combination | Function |
|---|---|
| FN + Back (3s) | Factory reset |
| FN + 1 | Bluetooth 1 |
| FN + 2 | Bluetooth 2 |
| FN + 3 | Bluetooth 3 |
| FN + 4 | 2.4G Mode |
| FN + 5 | Wired Mode |
| FN + 6 | Keys Lighting Effects |
| FN + 7 | Keys Backlight Color |
| FN + 8 | Calculator (Win) |
| FN + - | Backlight Speed - |
| FN + = | Backlight Speed + |
| FN + Knob Click | Knob Lighting Effects |
| FN + Knob Backlight Color | Knob Backlight Color |
| FN + . | Battery Level Check |
| FN + Power Saving Mode | Power Saving Mode |

Image: The numpad showing the multifunction knob and a list of FN key combinations for various controls.
Maintenance
Hot-Swappable Switches
The numpad features a gasket-mount design with hot-swappable sockets, supporting both 3-pin and 5-pin switches. This allows for easy replacement and customization of switches without soldering. The numpad comes with creamy-sounding linear Ice switches for a comfortable typing experience. Use the included keycaps and switches puller for safe removal and installation.

Image: The numpad with keycaps removed, revealing the hot-swappable switches and gasket mounting.
General Cleaning
To clean the numpad, gently wipe the surface with a soft, dry cloth. For deeper cleaning, you may carefully remove keycaps using the provided puller and clean underneath. Avoid using harsh chemicals or abrasive materials.
Troubleshooting
- Connection Issues: Ensure the numpad is in the correct mode (2.4G, BT1/2/3, or Wired). For 2.4G, check if the USB receiver is properly inserted. For Bluetooth, ensure the device's Bluetooth is enabled and the numpad is paired.
- Keys Not Responding: Check if the numpad is powered on and connected. If using wireless modes, ensure the battery is charged. If a specific key is not working, consider replacing its switch using the included puller and spare switches.
- Backlight Issues: Use the FN key combinations to adjust backlight modes and brightness. If the backlight is off, it might be in energy-saving mode or the battery is low.
- Programmable Key Issues: Ensure the latest driver is installed from the provided link. Perform a factory reset if custom settings are causing issues (FN + Back (3s)).
Specifications
| Feature | Detail |
|---|---|
| Brand | TISHLED |
| Model Number | K19-IS |
| Connectivity Technology | Bluetooth 5.0, Wired USB C, Wireless 2.4G |
| Compatible Devices | Laptop, PC, Smart TV, Smartphone, Tablet |
| Keyboard Description | Numeric Keypad |
| Special Features | Backlit, Hot-Swappable, Programmable Keys, Rechargeable, Volume Roller |
| Color | Mint |
| Keyboard Backlighting Color Support | RGB |
| Product Dimensions | 5.2"L x 3.5"W x 1.4"H |
| Power Source | Rechargeable Battery (1500mAh) |
| Switch Type | Linear (KEYCOOL Linear Ice Switch) |
| Number of Keys | 19 |
| Enclosure Material | Acrylonitrile Butadiene Styrene, Metal |
| Compatible Operating System Family | MacOS, Windows |
Warranty and Support
TISHLED offers a 30-day unconditional refund and a 12-month worry-free warranty for this product. For support or warranty claims, please contact TISHLED customer service through the retailer where the product was purchased.