1. Introduction
The Lavales SafeFly Pro is a versatile 2-in-1 Bluetooth 5.3 audio adapter designed to function as both a transmitter and a receiver. It enables wireless audio streaming to and from various devices, supporting aptX Adaptive, aptX HD, aptX Low Latency (LL), SBC, and AAC codecs for high-quality audio. With a built-in screen, long battery life, and dual device connectivity, it enhances your audio experience in multiple scenarios, including airplane travel, home entertainment, and car audio systems.
Image: The SafeFly Pro connected to an airplane entertainment system, allowing wireless audio to headphones.
2. Product Overview
Package Contents
- Lavales SafeFly Pro Bluetooth Adapter
- 3.5mm Audio Cable (integrated)
- USB-C Charging Cable
- Airplane Audio Adapter (dual-prong)
- Audio Plug Protector (keychain)
- User Manual
Image: The SafeFly Pro and its included accessories: USB-C cable, airplane adapter, audio plug protector, and user manual.
Device Components
Image: Labeled diagram of the SafeFly Pro showing its various parts and controls.
- 3.5mm Audio Connection: For connecting to audio sources (TX mode) or audio output devices (RX mode).
- USB-C Charging Port: For charging the device.
- Flexible Audio Cable: Integrated 3.5mm cable.
- OLED Display Screen: Shows battery status, audio codec, device name, and volume level.
- TX/RX Sliding Switch: Toggles between Transmitter (TX) and Receiver (RX) modes.
- M Key: In pairing mode, short press to select device. In transmission mode, double-click to switch decoding format.
- OK Key: Long press for 2 seconds to enter pairing state. Short press for Play/Pause. Long press to Power ON/OFF.
Image: Detailed view of the OLED display, indicating power, audio format, volume, and connected devices.
3. Setup and Operation
Charging the Device
Before first use, fully charge the SafeFly Pro using the provided USB-C cable. Connect the USB-C end to the device's charging port and the other end to a standard USB power source (e.g., wall adapter, computer USB port). The device will indicate charging status on its OLED screen.
Power On/Off
- To Power On: Long press the OK Key for approximately 2 seconds.
- To Power Off: Long press the OK Key for approximately 2 seconds.
Transmitter (TX) Mode
In TX mode, the SafeFly Pro transmits audio from a non-Bluetooth device (e.g., TV, airplane entertainment system, gaming console) to Bluetooth headphones or speakers.
- Slide the TX/RX switch to the TX position.
- Connect the SafeFly Pro's 3.5mm audio cable to the audio output jack of your non-Bluetooth device. For airplane entertainment systems, use the included airplane adapter if necessary.
- Long press the OK Key on the SafeFly Pro for 2 seconds to enter pairing mode. The screen will display "Searching".
- Put your Bluetooth headphones or speaker into pairing mode.
- The SafeFly Pro will automatically search for and connect to nearby Bluetooth devices. Once connected, the device name will appear on the OLED screen.
- To connect a second pair of headphones (Dual Link mode), put the second pair into pairing mode and short press the M Key on the SafeFly Pro to search and connect.
Image: SafeFly Pro in Transmitter mode, connected to an airplane screen, sending audio to wireless headphones.
Receiver (RX) Mode
In RX mode, the SafeFly Pro receives audio from a Bluetooth device (e.g., smartphone, tablet) and outputs it to a non-Bluetooth audio system (e.g., wired speakers, car stereo).
- Slide the TX/RX switch to the RX position.
- Connect the SafeFly Pro's 3.5mm audio cable to the audio input jack of your non-Bluetooth audio system (e.g., AUX-in port of a car stereo or wired speaker).
- Long press the OK Key on the SafeFly Pro for 2 seconds to enter pairing mode. The screen will display "Pairing".
- On your Bluetooth device (smartphone, tablet), enable Bluetooth and search for "SafeFly Pro" in the list of available devices. Select it to connect.
- Once connected, the device name will appear on the OLED screen. You can now stream audio wirelessly from your Bluetooth device to your audio system.
Image: SafeFly Pro in Receiver mode, connected to a car stereo, streaming music from a smartphone.
Dual Connection (2-in-1 Audio Sharing)
The SafeFly Pro supports connecting to two Bluetooth headphones simultaneously in TX mode, or two Bluetooth source devices in RX mode.
- In TX Mode: After connecting the first pair of headphones, put the second pair into pairing mode. Short press the M Key on the SafeFly Pro to initiate pairing with the second device. Both device names will be displayed on the screen.
- In RX Mode: After connecting the first Bluetooth source device, put the second Bluetooth source device into pairing mode. Short press the M Key on the SafeFly Pro to initiate pairing with the second device. Both device names will be displayed on the screen.
Image: Two individuals enjoying shared audio from a tablet using the SafeFly Pro's dual connection feature.
Codec Switching
In transmission mode (TX), you can switch the audio decoding format by double-clicking the M Key. The available codecs (aptX Adaptive, aptX HD, aptX LL, SBC, AAC) will cycle on the OLED display. The device will attempt to use the highest quality codec supported by both the SafeFly Pro and the connected Bluetooth device.
4. Important Notes and Precautions
Image: A visual summary of important usage notes for the SafeFly Pro.
- If your headphones do not support aptX-LL/Adaptive technology, audio latency may be approximately 1-2 seconds.
- It is not recommended to use the SafeFly Pro with musical instruments like electronic pianos or guitars, as latency can be significant.
- AirPods series (including AirPods Pro 2 and AirPods Max) only support SBC/AAC formats and do not support other formats like aptX.
- Do not charge the device while using it, as this can damage the battery and affect playtime.
- Under Dual Link mode (connecting with two headphones simultaneously), the audio format will be SBC only. You cannot change audio formats to others in this mode.
- To protect battery life, the transmitter will automatically shut down if it is not connected to a Bluetooth device or if there is no audio stream for 5 minutes. To use it again, you must turn it on manually.
- The SafeFly Pro is not compatible with AirPods Pro 2 or Apple Headphones (AirPods Max). Attempting to pair or use them together may result in connection failures, audio issues, or other functional problems.
- When pairing AirPods, ensure they are inside their case with the lid open. It is advisable to turn off any nearby Bluetooth devices (e.g., your phone) when pairing on planes to avoid interference.
5. Troubleshooting
No Power / Device Not Turning On
- Ensure the device is fully charged. Connect it to a power source using the USB-C cable and allow it to charge for at least 30 minutes.
- Verify that the charging cable and power adapter are functioning correctly.
Cannot Pair with Bluetooth Device
- Ensure the SafeFly Pro is in the correct mode (TX for transmitting, RX for receiving).
- Make sure both the SafeFly Pro and your target Bluetooth device are in pairing mode.
- Bring the devices closer together (within 1 meter).
- Clear the pairing history on both devices if possible, then attempt to pair again.
- Turn off other nearby Bluetooth devices to minimize interference.
- Note: The SafeFly Pro is not compatible with AirPods Pro 2 or Apple Headphones (AirPods Max).
Audio Latency or Poor Sound Quality
- Ensure your headphones or speakers support aptX Low Latency or aptX Adaptive for minimal delay. If not, some latency is expected.
- Double-check the audio source for quality issues.
- In TX mode, try double-clicking the M Key to cycle through different audio codecs.
- Avoid charging the device while in use, as this can affect audio performance.
- If using Dual Link mode, the audio codec will default to SBC, which may have higher latency than aptX codecs.
Automatic Shutdown
- The device is designed to automatically shut down after 5 minutes of inactivity (no Bluetooth connection or no audio stream) to conserve battery. This is normal operation. Simply power it on again to resume use.
6. Specifications
| Model Name | SafeFly Pro |
| Brand | Lavales |
| Connectivity Technology | Bluetooth 5.3 |
| Supported Standards | Bluetooth 5.3, SBC, AAC, aptX-HD, aptX-LL, aptX-AD |
| Supported Media Type | AAC, aptX-HD, LL, AD |
| Operating Modes | Transmitter (TX), Receiver (RX) |
| Wireless Range | Up to 100ft (30m) in open areas |
| Battery Life | Up to 35 hours playtime |
| Charging Port | USB-C |
| Display | OLED Screen |
| Control Method | Buttons (M Key, OK Key), Sliding Switch |
| Material | Plastic |
| Item Weight | 0.08 Kilograms |
| Battery Type | 1 Lithium Polymer battery (included) |
7. Warranty and Support
The Lavales SafeFly Pro comes with a 1-year product warranty from the date of purchase.
For technical support, warranty claims, or any questions regarding your SafeFly Pro, please contact Lavales customer service:
- Email Support: support@lavales.com
Image: Lavales official service contact information.
