1. Přesview
This manual provides instructions for the Lofree Bluetooth Wireless Numeric Keypad, Model EH113. This versatile device combines a mechanical numeric keypad with a calculator, offering both wireless Bluetooth and wired USB connectivity. It is designed for compatibility across various operating systems including iOS, Android, and Windows.

Image: The Lofree Bluetooth Wireless Numeric Keypad (EH113) in use, showcasinjeho kompaktní design a rozložení kláves.
2. Nastavení
2.1 Počáteční zapnutí
Locate the power switch on the side of the keypad. Slide the switch to the "ON" position to power on the device.
2.2 Párování přes Bluetooth
- Ensure the keypad is powered on.
- Press the dedicated Bluetooth pairing button (refer to the device's physical layout for exact location, often indicated by a Bluetooth icon). The indicator light will begin to flash, signifying it is in pairing mode.
- On your device (smartphone, tablet, or computer), navigate to the Bluetooth settings.
- Hledat available devices and select "Lofree EH113" (or similar name) from the list.
- Once connected, the indicator light on the keypad will stop flashing and remain solid, or turn off, depending on the model.
2.3 Kabelové USB připojení
To use the keypad in wired mode, connect the provided USB cable from the keypad's Type-C port to an available USB port on your computer. The keypad will automatically switch to wired mode and begin charging if applicable.

Image: Connecting the Lofree EH113 numeric keypad via USB cable for wired operation and charging.
3. Provozní režimy
The Lofree EH113 numeric keypad features two primary operating modes: Keyboard Mode and Calculator Mode.
3.1 Přepínání režimů
To switch between Keyboard Mode and Calculator Mode, press the [NUM/Calc] button located on the keypad. The LCD display will indicate the current mode.
3.2 Režim klávesnice
In Keyboard Mode, the keypad functions as a standard numeric input device for your connected computer or smart device. It is ideal for data entry in spreadsheets, documents, and other applications requiring numerical input.
3.3 Calculator Mode
In Calculator Mode, the keypad operates as a standalone 10-digit calculator. The LCD display will show calculations. It supports basic arithmetic operations and tax calculations.

Image: Illustration of the dual functionality of the Lofree EH113, highlighting both numeric keypad and calculator modes.
3.4 Video Demonstration: Calculator and Keypad Modes
Video: This video demonstrates the seamless switching between calculator mode and numeric keypad mode, showcasing its use with a laptop and smartphone.
4. Konektivita
The Lofree EH113 supports both Bluetooth wireless and USB wired connections, ensuring broad compatibility with various devices.
4.1 Bluetooth Compatibility
The keypad is compatible with all Bluetooth-enabled tablets, smartphones, and computers running Android, iOS, Windows XP, Windows Vista, Windows 7, Windows 8, Windows 10, and older Windows versions (98/95/NT/ME).
4.2 Kabelové připojení USB
For devices without Bluetooth or for a stable, direct connection, use the provided USB cable. This also allows for simultaneous charging.
5. Keycap and Switch Customization
The Lofree EH113 features mechanical switches and retro-style round keycaps. The keycaps are designed for durability and resistance to fading and wear.
5.1 ovládání podsvícení
The keypad includes a backlight feature. To toggle or change backlight effects, use the function key combination Fn + 5. Repeated presses will cycle through available backlight modes or turn the backlight off.

Image: Demonstrating the removal of a keycap, indicating the mechanical switch design.
6. Řízení spotřeby
The keypad is equipped with energy-saving features to extend battery life.
6.1 Režim spánku
- Low-Power Mode: The keypad enters a low-power mode after 20 seconds of inactivity.
- Inteligentní režim spánku: If there is no operation for 10 minutes, the keypad will enter smart sleep mode.
To reactivate the keypad from any sleep mode, press any button.
6.2 Nabíjení
Connect the keypad to a power source using the provided USB cable to charge the internal battery. The battery indicator on the LCD display will show charging status.
7. Specifikace
| Funkce | Detail |
|---|---|
| Značka | Lofree (YUEFAN) |
| Číslo modelu | EH113 |
| Technologie připojení | Bluetooth, USB |
| Popis klávesnice | Mechanické |
| Kompatibilní zařízení | Smartphones, Tablets, Laptops (Mac, iPad, iPhone, PC) |
| Operační systém | Android, Mac OS, Windows, iOS |
| Speciální funkce | Backlit, Calculator Function, Dual Mode (Keypad/Calculator) |
| Rozměry produktu | 30.6 cm (délka) x 30.6 cm (šířka) x 3.1 cm (výška) |
| Hmotnost položky | 540 g |
| Zahrnuté komponenty | USB kabel |
8. Řešení problémů
8.1 Klávesnice nereaguje
- Ensure the keypad is powered on.
- Check battery level. If low, connect via USB for charging.
- For Bluetooth connection, ensure it is paired correctly and within range. Try re-pairing if necessary.
- For wired connection, ensure the USB cable is securely connected to both the keypad and the computer.
- If in sleep mode, press any key to wake it up.
8.2 Problémy s párováním Bluetooth
- Make sure Bluetooth is enabled on your host device.
- Ensure the keypad is in pairing mode (indicator light flashing).
- Remove "Lofree EH113" from your device's Bluetooth list and attempt to pair again.
- Try restarting both the keypad and your host device.
8.3 Calculator Display Issues
- Ensure the keypad is in Calculator Mode (check the LCD display).
- Check battery level. Low battery can affect display performance.
9. Údržba
9.1 Čištění
To clean the keypad, use a soft, dry cloth. For stubborn dirt, a slightly damp Lze použít hadřík namočený v jemném mýdle a ujistit se, že do zařízení nevnikne žádná tekutina. Vyhněte se agresivním chemikáliím nebo abrazivním materiálům.
9.2 Skladování
Store the keypad in a cool, dry place away from direct sunlight and extreme temperatures. If storing for an extended period, ensure the battery is partially charged (around 50%) to maintain battery health.
10. Záruka a podpora
For warranty information and technical support, please refer to the official Lofree webnebo se obraťte na místního distributora. Uschovejte si účtenku jako doklad o koupi pro případ reklamace.