導入
This manual provides detailed instructions for the Syncwire Bluetooth 5.4 FM Transmitter. It is designed to enhance your in-car audio experience by allowing music streaming and hands-free calling through your vehicle's FM radio system. It also features dual fast-charging ports for your mobile devices.
製品終了view
Familiarize yourself with the components and features of your Syncwire FM Transmitter.

図1: 前面 view of the Syncwire Bluetooth 5.4 FM Transmitter, showing the LED display, USB-C PD20W port, and QC3.0 USB-A port. The device also features a rotatable ring knob and control buttons for channel selection and calls.

Figure 2: The Syncwire FM Transmitter emphasizes its Deep Bass and Hi-Fi Stereo capabilities, designed for enhanced audio quality.
セットアップガイド
ステップ1: 電源を入れる
Insert the Syncwire FM Transmitter into your car's 12V/24V cigarette lighter socket. The LED display will light up, showing the battery voltage and then "bt" (Bluetooth pairing mode).
Figure 3: Visual guide for setting up the FM Transmitter, including selecting FM mode on the car radio, finding a blank frequency, adjusting the transmitter, and pairing via Bluetooth.
Step 2: Tune FM Frequency
On your car radio, select an unused FM frequency (a blank channel with no strong broadcast). Press the "CH" button on the transmitter, then rotate the ring knob to adjust the transmitter's frequency to match your car radio's frequency. This is crucial for clear audio transmission.Step 3: Pair with Bluetooth
スマートフォンでBluetoothを有効にします。 検索する "SW-XC653" in the list of available devices and select it to pair. Once paired, the LED display will show a steady "bt" and you will hear a confirmation tone.Video 1: Official Syncwire video demonstrating the Bluetooth pairing process and basic functionality of the FM Transmitter.
操作手順
音楽再生:
Once paired, music from your smartphone will stream through your car's FM radio. Use the multi-function button (phone icon) for play/pause (short press). To skip tracks, double press the multi-function button and then rotate the knob clockwise for next track or counter-clockwise for previous track.ハンズフリー通話:
The built-in microphone with Noise Suppression (CVC) technology ensures clear calls.- Answer/Hang up a call: Short press the multi-function button.
- Reject a call: Long press the multi-function button.
- Recall last number: Double press the multi-function button.

Figure 4: The device supports clear hands-free calling with dedicated buttons for answering, rejecting, and hanging up calls.
Bass Boost & LED Light Control:
- Bass Boost: Press the 'b' button to activate or deactivate the Hi-Fi Deep Bass mode.
- LED Light: Long press the 'b' button to turn the ambient blue LED light on or off.

Figure 5: Illustration of the one-key deep bass function, allowing users to switch between standard and deep bass modes.

Figure 6: Demonstrates how to turn the circular LED light on or off by long-pressing the designated button.
充電デバイス:
The transmitter features a Quick Charge 3.0 port (USB-A) and a Type-C PD 20W port for fast charging. The maximum total power output is 38W, allowing for efficient charging of two devices simultaneously.
Figure 7: The device offers 38W super-fast charging with both USB-A (18W) and USB-C (20W) ports, capable of rapidly charging smartphones.
メンテナンス
- 本体は乾いた柔らかい布で拭いて清潔に保ってください。
- デバイスを極端な温度、直射日光、湿気にさらさないでください。
- Unplug the device from the cigarette lighter when not in use for extended periods.
トラブルシューティング
雑音または音質が悪い:
- Ensure the FM frequency on the transmitter matches a clear, unused frequency on your car radio. Try different frequencies to find the clearest one.
- Adjust the volume on both the transmitter (using the rotary knob) and your car radio.
Bluetooth接続の問題:
- Make sure the transmitter is in pairing mode ("bt" displayed).
- 携帯電話の Bluetooth 設定からデバイスを削除し、再度ペアリングを試みてください。
- Restart both the transmitter (by unplugging and replugging) and your phone.
充電が機能しない:
- Check if the device is properly inserted into the cigarette lighter socket.
- Ensure your charging cable is not damaged and is compatible with the device.
仕様
| モデル | SW-XC653 |
| Bluetoothバージョン | 5.4 |
| 入力ボリュームtage | DC 12-24V |
| USB-A出力(QC3.0) | 18W (5V/3A, 9V/2A, 12V/1.5A) |
| タイプC出力(PD20W) | 20W (5V/3A, 9V/2.22A, 12V/1.67A) |
| 総出力 | 最大38W |
| FM周波数範囲 | 87.5-108.0 MHz |
| アイテム重量 | 2.39オンス(約67g) |
| パッケージ寸法 | 3.58 x 2.4 x 1.54インチ |
安全情報
For safe and proper use, keep the device away from liquids and excessive heat. Do not disassemble or attempt to dispose of batteries in a fire. This product contains small parts that may be a choking hazard for children. Always unplug the device when not in use.
保証とサポート
For warranty claims or technical support, please contact SYNCWIRE customer service through their official channels. Refer to the product packaging or the official SYNCWIRE web連絡先の詳細についてはサイト。