1. Увод
The Techkey USB Bluetooth 5.4 Adapter is designed to provide your desktop PC or laptop with advanced Bluetooth connectivity. Featuring Bluetooth 5.4+EDR technology and a 5dBi antenna, this adapter offers extended range, faster data transmission, and the ability to connect multiple devices simultaneously. It is compatible with Windows 11, 10, and 8.1 with plug-and-play functionality, and supports Windows 8/7 with driver installation.

Image 1.1: Techkey USB Bluetooth 5.4 Adapter supporting Bluetooth Low Energy (BLE) for various applications.
2. Карактеристике производа
- Проширени опсег: Utilizes Class 1 radio technology and a 5dBi antenna, providing a transmission range of up to 500ft (150m) in open areas. Actual range may vary due to physical obstructions and wireless interference.
- Fast Transmission Rate: Achieves speeds of up to 3Mbps with EDR technology and Bluetooth Low Energy (BLE) configuration, optimizing data transfer and reducing interference in the 2.4GHz band.
- Плуг & Плаи: For Windows 11, 10, and 8.1, no driver installation is required. Simply plug the adapter into a USB port to begin use.
- Напредна Блуетоотх технологија: Equipped with the latest Bluetooth 5.4+EDR technology, backward compatible with Bluetooth 5.4/5.3/5.2/4.2/4.0/2.1+EDR. Features Dual Mode (BR/EDR+ Bluetooth Low Energy) for reduced energy consumption and enhanced performance.
- Повезивање са више уређаја: Supports simultaneous connections with up to 7 Bluetooth wireless devices, including speakers, keyboards, headsets, mice, and printers.

Image 2.1: Internal chip highlighting key performance benefits of the adapter.
3. Садржај пакета
- 1 x Techkey USB Bluetooth 5.4 Adapter with 5dBi Antenna
Note: A mini-CD or USB drive containing drivers for older Windows versions (Windows 8/7) may be included. Please check your package contents.
4. Упутства за подешавање
4.1 Системски захтеви
- Operating System: Windows 11 / 10 / 8.1 (Plug & Play)
- Operating System: Windows 8 / 7 (Driver installation required)
- USB Port: Available USB-A port
Note: This adapter is exclusively compatible with Windows operating systems and does not support Mac OS, Linux, car stereo systems, XBOX, PS4, or TVs.
4.2 Кораци инсталације
- Убаците адаптер: Carefully plug the Techkey USB Bluetooth 5.4 Adapter into an available USB-A port on your desktop PC or laptop.
- Automatic Recognition (Windows 11/10/8.1): For these operating systems, the adapter should be automatically recognized and installed by the system. No manual driver installation is typically needed.
- Driver Installation (Windows 8/7): If you are using Windows 8 or 7, you may need to install drivers. Please refer to the included mini-CD/USB drive or visit the Techkey official website for the appropriate drivers. Follow the on-screen instructions to complete the installation.

Image 4.1: Plug & Play setup for Windows 11/10/8.1.
5. Упутство за употребу
5.1 Упаривање Bluetooth уређаја
- Омогући Блуетоотх: After successful installation, ensure Bluetooth is enabled on your computer. You can usually find this in Windows Settings > Devices > Bluetooth & other devices.
- Ставите уређај у режим упаривања: Place your Bluetooth device (e.g., headphones, mouse, keyboard) into pairing mode. Refer to your device's manual for specific instructions.
- Додај уређај: On your computer, click "Add Bluetooth or other device" and select "Bluetooth."
- Изаберите и повежите се: Ваш рачунар ће скенирати Bluetooth уређаје у близини. Изаберите свој уређај са листе и пратите упутства на екрану да бисте завршили процес упаривања.
5.2 Повезивање више уређаја
The Techkey USB Bluetooth 5.4 Adapter supports connecting up to 7 Bluetooth devices simultaneously. Once paired, your devices should automatically reconnect when they are within range and Bluetooth is enabled on your computer.

Image 5.1: The adapter supports a wide range of applications and multiple device connections.
6. Одржавање
To ensure the longevity and optimal performance of your Techkey USB Bluetooth 5.4 Adapter, follow these general maintenance guidelines:
- Одржавајте суво: Избегавајте излагање адаптера влази или течностима.
- температура: Store and operate the adapter within normal room temperatures. Avoid extreme heat or cold.
- Чишћење: If necessary, gently wipe the adapter with a dry, soft cloth. Do not use harsh chemicals or abrasive cleaners.
- физичка заштита: Избегавајте испуштање или излагање адаптера јаким ударцима.
КСНУМКС. Решавање проблема
If you encounter issues with your Techkey USB Bluetooth 5.4 Adapter, consider the following troubleshooting steps:
- Adapter Not Recognized (Windows 11/10/8.1):
- Try plugging the adapter into a different USB-A port.
- Поново покрените рачунар.
- Check Device Manager to see if the Bluetooth device is listed and enabled.
- Driver Issues (Windows 8/7):
- Ensure you have installed the correct drivers from the included media or the Techkey official webсајту.
- If drivers were installed, try reinstalling them.
- Проблеми са повезивањем:
- Ensure your Bluetooth device is in pairing mode and fully charged.
- Verify that the device is within the adapter's operational range (up to 500ft/150m in open areas).
- Reduce physical obstructions (walls, furniture) and sources of wireless interference (Wi-Fi routers, microwaves) between the adapter and your Bluetooth device.
- Remove and re-pair the Bluetooth device from your computer's Bluetooth settings.
- Slow Transmission/Lag:
- Ensure there are no other strong 2.4GHz wireless signals causing interference.
- Limit the number of active Bluetooth connections if experiencing performance degradation.
8. Спецификације
| Феатуре | Спецификација |
|---|---|
| Димензије производа | 4.29 к 3.74 к 0.67 инча |
| Тежина артикла | 1.44 унци (0.04 килограма) |
| Бранд | Тецхкеи |
| Хардверски интерфејс | УСБ |
| Боја | Црно |
| Компатибилни уређаји | Headphone, Keyboard, Laptop, Mouse, Printer, Speaker |
| Брзина преноса података | 3 мегабита у секунди |
| Компатибилна породица оперативних система | Виндовс |
| Minimum Required Operating System Version | Windows 10 (Plug & Play), Windows 8/7 (Driver Required) |

Image 8.1: Performance comparison of the Techkey Bluetooth 5.4 adapter.
9. Гаранција и подршка
For warranty information or technical support, please contact Techkey customer service. Refer to the product packaging or the official Techkey webсајт за контакт детаље.