Techkey USB Bluetooth 5.4 Adapter (Model 5.4 BT) Instruction Manual

1. はじめに

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 製品の特徴

• 拡張範囲: 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.
• プラグアンドプレイ: For Windows 11, 10, and 8.1, no driver installation is required. Simply plug the adapter into a USB port to begin use.
• 高度な Bluetooth テクノロジー: 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.
• マルチデバイス接続: 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. パッケージ内容

• 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. セットアップ手順

4.1 システム要件

• 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 インストール手順

1. アダプタを挿入します: Carefully plug the Techkey USB Bluetooth 5.4 Adapter into an available USB-A port on your desktop PC or laptop.
2. 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.
3. ドライバーのインストール (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. 操作手順

5.1 Bluetoothデバイスのペアリング

1. Bluetoothを有効にする： After successful installation, ensure Bluetooth is enabled on your computer. You can usually find this in Windows Settings > Devices > Bluetooth & other devices.
2. デバイスをペアリングモードにする: Place your Bluetooth device (e.g., headphones, mouse, keyboard) into pairing mode. Refer to your device's manual for specific instructions.
3. デバイスを追加: On your computer, click "Add Bluetooth or other device" and select "Bluetooth."
4. 選択して接続: コンピュータが近くのBluetoothデバイスをスキャンします。リストからデバイスを選択し、画面の指示に従ってペアリングを完了してください。

5.2 複数のデバイスの接続

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. メンテナンス

To ensure the longevity and optimal performance of your Techkey USB Bluetooth 5.4 Adapter, follow these general maintenance guidelines:

• 乾燥を保つ: アダプタを湿気や液体にさらさないでください。
• 温度： Store and operate the adapter within normal room temperatures. Avoid extreme heat or cold.
• クリーニング： If necessary, gently wipe the adapter with a dry, soft cloth. Do not use harsh chemicals or abrasive cleaners.
• 物理的保護: アダプタを落としたり、強い衝撃を与えたりしないでください。

7。 トラブルシューティング

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.
  • コンピュータを再起動します。
  • 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 webサイト。
  • If drivers were installed, try reinstalling them.
• 接続の問題:
  • Bluetooth デバイスがペアリング モードになっており、完全に充電されていることを確認します。
  • 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. 仕様

Image 8.1: Performance comparison of the Techkey Bluetooth 5.4 adapter.

9. 保証とサポート

For warranty information or technical support, please contact Techkey customer service. Refer to the product packaging or the official Techkey web連絡先の詳細についてはサイト。