1. はじめに
The FiiO Air Link is a portable, high-resolution Bluetooth transmitter designed to upgrade your devices for lossless wireless audio. Featuring the flagship Qualcomm QCC5181 chip and Bluetooth 6.0, it supports advanced codecs like LDAC and aptX Lossless, ensuring a premium audio experience. Its compact design includes a multi-function button for easy control, a dedicated Type-C port for simultaneous charging and use, and brilliant RGB lighting to indicate connection status and active codec. Control and firmware updates are managed via the FiiO Control app or a web インタフェース。

FiiO Air Link Type-C Bluetooth Transmitter, available in black and silver.
2. パッケージ内容
以下の項目のボックスにチェックを入れてください。
- Type-C protective plug (pre-installed on the Air Link) x 1
- Air Link unit x 1
- USB-A to C adapter x 1
- クイックスタートガイド x 1
- 保証書×1

Illustration of the FiiO Air Link and its included accessories.
3.セットアップガイド
3.1 初期接続
Simply plug the FiiO Air Link into your device's Type-C port. The device is designed for plug-and-play functionality to immediately support high-resolution audio codecs like LDAC, aptX Adaptive 96kHz/24bit, and aptX Lossless.
3.2 ヘッドフォン/スピーカーとのペアリング
- Ensure your wireless headphones or speakers are in pairing mode.
- Press and hold the multi-function button on the FiiO Air Link for 3 seconds to enter pairing mode. The indicator light will flash red and blue alternately.
- Select 'FiiO Air Link' from your headphone/speaker's Bluetooth device list to connect.

The multi-function button is used for pairing and clearing connections.
3.3 Clearing Paired Connections
To clear all previously paired connections and enter pairing mode, press and hold the multi-function button for 10 seconds.
4. 操作手順
4.1 充電と使用の同時
The FiiO Air Link features an independent Type-C port, allowing you to charge your connected device (e.g., mobile phone) while simultaneously using the Air Link for lossless audio transmission. This ensures uninterrupted power for your audio experience.
注記:
- Charging is only compatible with devices that support 5V charging, such as mobile phones.
- Do not connect a charger to the Air Link while it is also charging high-voltage devices like laptops, as this may cause damage.

The dedicated Type-C port allows for charging and audio transmission simultaneously.
4.2 Bluetooth接続
The Air Link utilizes Bluetooth 6.0 for stable, high-performance, and long-range connections with minimal power consumption. It offers low latency and robust anti-interference capabilities for true wireless freedom.
- Transmission Range (Open Areas): 50メートル以上
- Transmission Range (Areas with Obstructions): 35メートル以上

Bluetooth 6.0 provides extended transmission range for wireless audio.
4.3 Supported Audio Codecs
The FiiO Air Link supports a wide range of audio codecs for versatile compatibility and high-quality sound:
- LDAC
- SBC
- Qualcomm aptX codecs:
- aptXアダプティブ
- aptXロスレス
- aptX HD
- aptX 低遅延
Note: AAC transmission is currently not supported.

Comprehensive aptX support for total sound control.
4.4 アプリと Web コントロール
The FiiO Air Link can be easily configured and managed using the FiiO Control app or a web interface. These tools allow you to:
- Change Bluetooth codecs
- ファームウェアを更新する
- Manage connections to multiple devices
接続方法:
- Android phones/tablets: Connect to the control app via USB.
- Apple phones/tablets: Connect via Bluetooth.
- Web interface: Connects via USB.

FiiO Control app and web interface for managing settings and connections.
4.5 インジケーターライトの意味
The RGB indicator light on the FiiO Air Link provides visual feedback on its connection status and the currently active Bluetooth codec:
| インジケーターライト | Status/Codec |
|---|---|
| 脈動する青い光 | SBC |
| パルス白色光 | LDAC |
| 緑色の点滅ライト | aptXアダプティブ |
| 点滅する赤信号 | 工場出荷時設定にリセット |
| 赤と青のライトが点滅 | ペアリングモード |
| Pulsing purple light | aptX/aptXLL |
| 点滅する黄色の光 | aptX HD |
| 赤色のライトが点滅 | aptXロスレス |
| 点滅する青い光 | Waiting for reconnection |

The RGB lighting keeps you informed about the device's status.
5. メンテナンス
To ensure the longevity and optimal performance of your FiiO Air Link, follow these maintenance guidelines:
- デバイスを清潔に保ち、ほこりやゴミを取り除いてください。清掃には柔らかく乾いた布を使用してください。
- デバイスを極端な温度、湿度、または直射日光にさらさないでください。
- デバイスを分解または改造しないでください。保証が無効になり、損傷が発生する可能性があります。
- デバイスを使用しないときは、涼しく乾燥した場所に保管してください。
6。 トラブルシューティング
6.1 デバイスがペアリングされない
- Ensure the FiiO Air Link is in pairing mode (flashing red and blue light).
- Make sure your headphones/speakers are also in pairing mode and discoverable.
- Try clearing all paired connections on the Air Link by holding the multi-function button for 10 seconds, then re-attempt pairing.
- Ensure there are no other active Bluetooth devices interfering with the connection.
6.2 音が出ない、または音質が悪い
- Check that the Air Link is securely plugged into your source device's Type-C port.
- Verify that your headphones/speakers are properly connected to the Air Link.
- Ensure the volume on both your source device and headphones/speakers is turned up.
- Try restarting both the source device and your headphones/speakers.
- If using the FiiO Control app, check the selected Bluetooth codec settings.
6.3 充電の問題
- Confirm that the connected device supports 5V charging.
- Use a compatible 5V charger and cable.
- Avoid charging high-voltage devices (e.g., laptops) through the Air Link's charging port.
7. 仕様
| 特徴 | 詳細 |
|---|---|
| 名前/モデル | AIR LINK |
| 色 | ブラック/シルバー |
| ハードウェア | QCC5181 |
| 重さ | 約5g |
| 寸法(長さ×幅×高さ) | 34.5mm×23.5mm×9.5mm |
| ファームウェアのアップグレード | OTA upgrade/USB upgrade |
| ボタン機能 | Switch pairing modes, parts of Bluetooth codecs, factory data reset |
| Antenna Workmanship | FPC |
| FiiOコントロールアプリ | サポート |
| Drive-free Mode | サポート |
| Bluetoothバージョン | 6.0 |
| Maximum Supported Sampリング | 96kHz/24ビット |
| Bluetooth マルチポイント | サポート |
| Bluetooth伝送距離 | With people as obstacles: 35m+; Open space: 50m+ |
| Type-C Male Plug | Power supply/Data transmission |
| Type-C Female Plug | 充電 |
| 定格入力 | 5V 1A |
| Bluetooth コーデック | LDAC/aptX Adaptive/aptX Lossless/aptX HD/aptX/aptX LL/SBC |

Detailed specifications and dimensions of the FiiO Air Link.
8. ユーザーのヒント
- The FiiO Air Link is compatible with iPhones, allowing Apple users to enjoy high-quality wireless audio.
9. 保証とサポート
For warranty information, technical support, and service inquiries, please refer to the warranty card included in your package or visit the official FiiO webサイトでご確認ください。保証請求に備えて購入証明書を保管してください。





