1. Introduzzjoni
This manual provides detailed instructions for the Retoo 2-in-1 Bluetooth Audio Transmitter Receiver, Model M063B. This versatile device allows you to add Bluetooth functionality to a wide range of audio equipment, enabling wireless audio transmission or reception. It can transform traditional wired audio systems into Bluetooth-enabled ones, enhancing your listening experience.

Image 1.1: Retoo 2-in-1 Bluetooth Audio Transmitter Receiver with accessories.
2. Kontenut tal-Pakkett
- 1 x Retoo 2-in-1 Bluetooth Audio Transmitter Receiver (Model M063B)
- 1 x 3.5mm Cable Awdjo
- 1 x RCA Audio Cable
- 1 x Cable tal-Iċċarġjar Mikro USB
- 1 x Manwal għall-Utent
3. Device Overview
Iffamiljarizza ruħek mal-komponenti tal-apparat:

Immaġni 3.1: Ġenb view of the device showing ports.
- Power Button / Mode Switch: Press and hold to power on/off. Short press to switch between Transmitter (TX) and Receiver (RX) modes.
- Indikatur LED: Displays device status (pairing, connected, charging, mode).
- Port Micro USB: Għall-iċċarġjar tal-batterija interna.
- 3.5mm AUX IN Port (Red): Used for audio input in Transmitter mode.
- 3.5mm AUX OUT Port (Black): Used for audio output in Receiver mode.
4. Iċċarġjar tal-Apparat
The device features a built-in 300 mAh rechargeable Lithium-ion battery, providing up to 8 hours of operation. Before first use, fully charge the device.
- Qabbad il-kejbil tal-iċċarġjar Micro USB mal-port Micro USB tal-apparat.
- Connect the other end of the USB cable to a standard USB power adapter (5V) or a computer's USB port.
- L-indikatur LED se juri l-istatus tal-iċċarġjar (eż., aħmar waqt l-iċċarġjar, mitfi meta jkun iċċarġjat kompletament).
5. Setup u Operazzjoni
The device automatically switches between Transmitter (TX) and Receiver (RX) modes based on the connected audio cables. Ensure the device is charged before use.

Image 5.1: Illustration of the two operating modes.
5.1. Bluetooth Receiver Mode (RX)
Use this mode to receive audio from a Bluetooth-enabled device (e.g., smartphone, tablet) and play it through a non-Bluetooth audio system (e.g., car stereo, home Hi-Fi, wired headphones/speakers).
- Qabbad ir-Riċevitur: Connect one end of the 3.5mm audio cable to the device's 3.5mm AUX OUT port (black). Connect the other end to the AUX input of your car stereo, home Hi-Fi system, or directly to your wired headphones/speakers. If your audio system uses RCA inputs, use the provided RCA cable.
- Qawwa Mixgħul: Press and hold the power button on the Retoo device until the LED indicator flashes. The device will automatically enter Receiver mode.
- Pair with your Device: On your smartphone or tablet, enable Bluetooth and search for new devices. Select "RT-B6" from the list of available devices.
- Ikkonferma l-Konnessjoni: Once paired, the LED indicator on the Retoo device will change (e.g., solid blue). You can now play audio from your Bluetooth device, and it will be transmitted to your connected audio system.

Image 5.2: Using the device in Receiver mode with speakers.
5.2. Bluetooth Transmitter Mode (TX)
Use this mode to transmit audio from a non-Bluetooth audio source (e.g., TV, CD player, old Hi-Fi system) to a Bluetooth-enabled receiving device (e.g., Bluetooth headphones, Bluetooth speakers).
- Qabbad it-Trasmettitur: Connect one end of the 3.5mm audio cable to the device's 3.5mm AUX IN port (red). Connect the other end to the audio output port (e.g., headphone jack, AUX out) of your TV, computer, or Hi-Fi system. If your audio source uses RCA outputs, use the provided RCA cable.
- Qawwa Mixgħul: Press and hold the power button on the Retoo device until the LED indicator flashes. The device will automatically enter Transmitter mode.
- Prepare Receiving Device: Put your Bluetooth headphones or speakers into pairing mode. Ensure they are not currently paired with another device.
- Tqabbil awtomatiku: The Retoo device will automatically search for and connect to nearby Bluetooth receiving devices in pairing mode.
- Ikkonferma l-Konnessjoni: Once paired, the LED indicator on the Retoo device will change (e.g., solid blue). Audio from your source device will now be transmitted wirelessly to your Bluetooth headphones or speakers.

Image 5.3: Using the device in Transmitter mode with a TV and headphones.

Image 5.4: Device connected to a home audio receiver.
6. Manutenzjoni
To ensure the longevity and optimal performance of your Retoo Bluetooth Audio Transmitter Receiver, follow these maintenance guidelines:
- Tindif: Imsaħ l-apparat b'ċarruta ratba u niexfa. Tużax prodotti tat-tindif likwidi jew materjali li joborxu.
- Ħażna: Aħżen l-apparat f'post frisk u niexef 'il bogħod mix-xemx diretta u minn temperaturi estremi.
- Evita l-umdità: Tesponix l-apparat għall-ilma jew għal umdità għolja.
- Immaniġġja b'Kura: Evita li twaqqa’ jew tissuġġetta l-apparat għal impatti qawwija.
7 Issolvi l-problemi
Jekk tiltaqa' ma' problemi bit-tagħmir tiegħek, irreferi għall-problemi u s-soluzzjonijiet komuni li ġejjin:
| Problema | Kawża Possibbli | Soluzzjoni |
|---|---|---|
| L-apparat ma jixgħelx. | Batterija baxxa. | Iċċarġja l-apparat bis-sħiħ billi tuża l-kejbil USB ipprovdut. |
| Cannot pair with another Bluetooth device. | Device not in pairing mode; other device already paired; too far apart. | Ensure the Retoo device is powered on and its LED is flashing (indicating pairing mode). Place devices within 10 meters. Ensure the receiving device is also in pairing mode and not connected to another device. |
| L-ebda ħoss jew kwalità awdjo fqira. | Incorrect cable connection; wrong mode; volume too low; interference. | Verify all audio cables are securely connected to the correct ports (AUX IN for TX, AUX OUT for RX). Check volume levels on both the source and receiving devices. Ensure no strong interference sources are nearby. |
| Short Bluetooth range. | Obstructions; interference. | Ensure a clear line of sight between the Retoo device and the paired Bluetooth device. Avoid placing the device near metal objects or other wireless transmitters. |
8. Speċifikazzjonijiet
| Karatteristika | Dettall |
|---|---|
| Brand | Irretoo |
| Numru tal-Mudell | M063B |
| Kulur | Iswed |
| Konnettività | Bluetooth, 3.5mm AUX, RCA, Micro USB (charging) |
| Tip ta 'batterija | Lithium-ion |
| Kapaċità tal-batterija | 300 mAh |
| Ħin Operattiv | Up to 8 hours (Transmitter/Receiver modes) |
| Input Voltage | 5 Volts |
| Dimensjonijiet (L x W x H) | 98 x 58 x 13 mm |
| Piż | 34.5 Gramm |
| Apparati Kompatibbli | Speakers, headphones, devices with AUX connection, devices with RCA connection |

Image 8.1: Device dimensions.
9. Garanzija u Appoġġ
For warranty information, please refer to the seller or your purchase documentation. If you require further assistance or have questions not covered in this manual, please contact Retoo customer support.
You may also scan the QR code below for additional support resources:

