VAORLO BT-13 Bluetooth 5.3 Audio Transmitter Receiver User Manual

1. Introduction

The VAORLO BT-13 is a versatile 2-in-1 Bluetooth 5.3 Audio Transmitter Receiver designed to bring wireless audio capabilities to a wide range of devices. Whether you want to stream music from your phone to wired speakers (Receiver Mode) or connect your TV/PC to Bluetooth headphones (Transmitter Mode), this compact adapter provides a seamless and high-fidelity audio experience. Its portable design and long battery life make it ideal for use in cars, airplanes, homes, and offices.

2. Product Overview

2.1 Key Features

• New Bluetooth 5.3 Chip: Offers enhanced compatibility, stability, and backward compatibility with older Bluetooth versions for seamless connection to mobile phones, tablets, cars, computers, laptops, TVs, and more.
• Stereo Lossless Sound Quality: Equipped with high-performance decoding chips for high-fidelity stereo sound effects, delivering a CD-level music experience.
• Built-In Microphone: Supports hands-free calling in Receiver (RX) Mode. (Note: Microphone function is not supported in Transmitter (TX) Mode).
• Long Battery Life: Features a built-in 250mAh rechargeable lithium polymer battery, providing approximately 11-14 hours of continuous use after a 1.5-hour charge. Standby time is approximately 90 days.
• Mini & Portable Design: Ultra-compact and lightweight, making it convenient for use with various devices and easy to carry.
• 2-IN-1 RX & TX Modes:
  • RX Receiver Mode: Adds Bluetooth wireless functionality to wired speakers or headphones, allowing Bluetooth-enabled devices (e.g., mobile phones) to stream audio wirelessly.
  • TX Transmitter Mode: Adds Bluetooth functionality to devices without built-in Bluetooth (e.g., TVs, PCs), enabling them to connect to Bluetooth speakers or headphones.
• Aircraft Audio Compatibility: When purchased with the optional "AP Converter" set, the adapter can be used to enjoy wireless audio on airplanes.

2.2 Package Contents

Please check the package for the following items:

• 1x VAORLO BT-13 Bluetooth 5.3 Audio Adapter
• 1x Type-C Charging Cable
• 1x User Manual
• (Optional) 1x Aircraft Audio Converter (Included only if "With AP Converter" set is purchased)

3. Specifications

4. Setup and Installation

4.1 Charging the Device

Before first use, fully charge the BT-13 adapter. Connect the provided Type-C charging cable to the adapter's charging port and plug the other end into a 5V/1A USB power source. The power indicator light will show charging status. A full charge takes approximately 1.5 hours.

4.2 Powering On/Off

To power on the device, press and hold the multifunction button (marked 'M') for 3 seconds until the indicator light illuminates. To power off, press and hold the multifunction button again for 3 seconds.

4.3 Mode Selection (TX/RX)

The BT-13 features a TX/RX switch button on its side. Slide this switch to select either Transmitter (TX) mode or Receiver (RX) mode, depending on your intended use.

5. Operating Instructions

5.1 RX (Receiver) Mode

In RX mode, the BT-13 receives Bluetooth audio signals from your mobile device and outputs them through its 3.5mm AUX jack to a wired audio system.

1. Switch the BT-13 to RX mode.
2. Insert the BT-13's 3.5mm AUX plug into the AUX input of your wired speaker, car stereo, home audio system, or wired headphones.
3. Turn on Bluetooth on your mobile phone or tablet and search for "BT-13" in the list of available devices.
4. Select "BT-13" to pair. Once paired, the indicator light will confirm connection.
5. You can now stream audio wirelessly from your mobile device to your wired audio system.

Hands-Free Calling (RX Mode Only)

When in RX mode and connected to your phone, the built-in HD microphone allows for hands-free calls. Answer or end calls using the multifunction button. Keep both hands on the steering wheel for safer driving when used in a car.

5.2 TX (Transmitter) Mode

In TX mode, the BT-13 transmits audio from non-Bluetooth devices (like TVs or PCs) to Bluetooth headphones or speakers.

1. Switch the BT-13 to TX mode.
2. Insert the BT-13's 3.5mm AUX plug into the audio output jack (e.g., headphone jack) of your TV, PC, projector, or other audio source.
3. Put your Bluetooth headphones or speaker into pairing mode.
4. Bring the Bluetooth headphones/speaker close to the BT-13 adapter. The adapter will automatically connect to the Bluetooth audio device. (Note: The BT-13 will not appear in your device's Bluetooth list in TX mode; it connects automatically to nearby pairing-mode Bluetooth devices).
5. Once connected, audio from your source device will be transmitted wirelessly to your Bluetooth headphones/speaker.

5.3 Using on an Airplane (with optional Aircraft Audio Converter)

If you have the "With AP Converter" set, you can use the BT-13 to connect your Bluetooth headphones to the in-flight entertainment system.

1. Switch the BT-13 to TX mode.
2. Insert the Aircraft Audio Converter into the airplane's dual-pin audio jack.
3. Plug the BT-13's 3.5mm AUX plug into the Aircraft Audio Converter.
4. Put your Bluetooth headphones into pairing mode.
5. The BT-13 will automatically connect to your headphones, allowing you to enjoy in-flight audio wirelessly.

5.4 Button Functions

• Multifunction Button (M):
  • Long press (3 seconds): Power On/Off.
  • Short press (RX Mode): Play/Pause music, Answer/End calls.
• '+' Button:
  • Short press: Next song.
  • Long press: Increase volume.
• '-' Button:
  • Short press: Previous song.
  • Long press: Decrease volume.
• TX/RX Switch: Slide to select Transmitter or Receiver mode.
• Status Indicator Light: Provides visual feedback on power, pairing, and connection status.

6. Maintenance

• Keep the device dry. Avoid exposure to moisture or liquids.
• Clean the device with a soft, dry cloth. Do not use harsh chemicals or abrasive cleaners.
• Store the device in a cool, dry place when not in use.
• Avoid dropping or subjecting the device to strong impacts, as it is made of durable ABS material but can still be damaged.
• Charge the device regularly to maintain battery health, even if not used frequently.
• The AUX plug is designed to be bending resistant, suitable for various environments, but avoid excessive force.

7. Troubleshooting

• Device won't power on: Ensure the device is fully charged. Connect it to a power source using the Type-C cable and try again after a few minutes.
• Cannot pair in RX mode:
  • Ensure the BT-13 is switched to RX mode.
  • Make sure Bluetooth is enabled on your mobile device.
  • Check that "BT-13" appears in your device's Bluetooth scanning list. If not, try restarting both devices.
• Cannot pair in TX mode:
  • Ensure the BT-13 is switched to TX mode.
  • Put your Bluetooth headphones/speaker into pairing mode.
  • Bring the Bluetooth headphones/speaker close to the BT-13 adapter. Remember, the BT-13 will automatically connect and will not appear in your source device's Bluetooth list.
• No audio output/input:
  • Check that the 3.5mm AUX cable is securely connected to both the BT-13 and the audio device.
  • Ensure the correct mode (RX/TX) is selected.
  • Verify that the volume on both the BT-13 and the connected audio device is turned up.
  • Confirm successful pairing (indicator light status).
• Poor sound quality or disconnections:
  • Ensure the BT-13 is within the 10-meter transmission range of the connected Bluetooth device.
  • Minimize obstacles (walls, large objects) between the BT-13 and the connected device.
  • Avoid strong electromagnetic interference from other electronic devices.
  • Ensure the BT-13 is fully charged.
• Microphone not working in RX mode:
  • Confirm the device is in RX mode and successfully paired with your phone.
  • Check your phone's audio settings to ensure the BT-13 is selected for calls.

8. User Tips

• For optimal performance, keep the adapter charged, especially before long trips or extended use.
• When using in TX mode, if you have multiple Bluetooth headphones/speakers, ensure only the desired device is in pairing mode to avoid unintended connections.
• The compact size makes it easy to forget, so consider attaching it to your keys or a small pouch when traveling.
• If experiencing any lag or connection issues, try restarting both the BT-13 and the connected Bluetooth device.

9. Warranty and Support

For any questions, technical support, or warranty claims regarding your VAORLO BT-13 Bluetooth Audio Transmitter Receiver, please contact the seller or manufacturer directly. Refer to your purchase documentation for specific warranty terms and contact information.