1. Introduzzjoni
This manual provides instructions for the VR-robot Bluetooth 5.0 Audio Transmitter Receiver Adapter, Model VR-NK321. This versatile 2-in-1 device allows you to wirelessly transmit audio from non-Bluetooth devices to Bluetooth headphones or speakers, or receive audio wirelessly from Bluetooth-enabled devices to wired audio systems. It features Bluetooth 5.0 technology for stable connections and supports aptX Low Latency for synchronized audio.

This image displays the VR-robot Bluetooth 5.0 Audio Transmitter Receiver Adapter, a compact black device, alongside its accompanying 3.5mm audio cable and RCA adapter cable.
2. Informazzjoni dwar is-Sigurtà
Biex tiżgura tħaddim sikur u tittawwal il-ħajja tat-tagħmir tiegħek, jekk jogħġbok osserva l-prekawzjonijiet li ġejjin:
- Handle the device with care to avoid exposure to high temperatures, excessive humidity, or direct sunlight.
- Tippruvax tiżżarma jew timmodifika l-apparat. Modifiki mhux awtorizzati jistgħu jannullaw il-garanzija u joħolqu riskji għas-sigurtà.
- Evita li twaqqa 'l-apparat jew suġġett għal impatti qawwija.
- The device contains a lithium-polymer battery. Please follow local regulations for proper disposal of batteries.
3. Kontenut tal-Pakkett
Iċċekkja li l-oġġetti kollha elenkati hawn taħt huma inklużi fil-pakkett tiegħek:
- 1x VR-robot Bluetooth 5.0 Audio Transmitter/Receiver Adapter
- 1x Micro USB Power Cable
- 1x Kejbil RCA
- 1x 3.5mm Aux Cable
- 1x Manwal għall-Utent

This image displays the complete package contents: one Bluetooth 5.0 Audio Transmitter/Receiver Adapter, one Micro USB Power Cable, one RCA Cable, one 3.5mm Aux Cable, and the User Manual.
4. Prodott Aktarview
Familiarize yourself with the adapter's components:

A dettaljata view of the VR-robot Bluetooth adapter, highlighting its key components: the Power Switch, Indicator Light, Exchange Mode Button (RX/TX), Charging Socket, and Audio Socket.
- Swiċċ tal-Enerġija: Ixgħel jew jitfi l-apparat.
- Dawl Indikatur: Displays the device's status (e.g., pairing, connected, charging).
- Exchange Mode Button (RX/TX): Slides to switch between Receiver (RX) and Transmitter (TX) modes.
- Socket tal-iċċarġjar: Port mikro USB għall-iċċarġjar tal-batterija interna.
- Socket tal-awdjo: 3.5mm audio input/output port for connecting to audio devices.
5. Setup u Iċċarġjar
5.1. Iċċarġjar Inizjali
Before first use, fully charge the adapter. Connect the Micro USB Power Cable to the adapter's charging socket and the other end to a USB power source (e.g., computer USB port, USB wall adapter). The indicator light will show charging status and turn off or change color when fully charged. The built-in 200mAh lithium battery ensures portable use without constant power connection.
5.2. Installazzjoni tas-sewwieq
No driver installation is required for this device. It operates on a plug-and-play basis.
6. Istruzzjonijiet Operattivi
6.1. Switching Between Transmitter (TX) and Receiver (RX) Modes
The adapter features a physical switch to change between modes. Slide the switch to the desired mode (TX for Transmitter, RX for Receiver) before connecting or pairing.
6.2. Transmitter Mode (TX)
Fil-modalità TX, l-adapter jittrażmetti l-awdjo minn apparat mhux Bluetooth għal headphones jew speakers Bluetooth.
- Ensure the adapter is switched to Modalità TX.
- Connect the adapter's 3.5mm audio socket to the audio output port of your non-Bluetooth device (e.g., TV, home stereo system, CD player, PC) using the provided 3.5mm audio cable or 3.5mm to 2RCA cable.
- Turn on the adapter. The indicator light will flash, indicating it is searching for Bluetooth devices.
- Poġġi l-headphones jew l-ispikers Bluetooth tiegħek fil-modalità ta' tqabbil.
- The adapter will automatically search for and connect to nearby Bluetooth audio devices. Once connected, the indicator light will change to a steady blue.

This diagram shows the adapter in Transmitter (TX) mode, connecting a non-Bluetooth audio source like a TV, computer, or MP3 player to Bluetooth headphones or a Bluetooth speaker.
Nota: The adapter supports pairing with one Bluetooth receiver (headphones or speaker) at a time in TX mode.
6.3. Modalità tar-Riċevitur (RX)
In RX mode, the adapter receives audio wirelessly from a Bluetooth-enabled device and outputs it to a wired audio system (e.g., wired speakers, headphones, car stereo).
- Ensure the adapter is switched to Modalità RX.
- Connect the adapter's 3.5mm audio socket to the audio input port of your wired stereo, speakers, or headphones using the provided 3.5mm audio cable or 3.5mm to 2RCA cable.
- Turn on the adapter. The indicator light will flash, indicating it is in pairing mode.
- On your Bluetooth-enabled device (e.g., phone, tablet, computer), enable Bluetooth and search for new devices. Select "VR-NK321" (or similar name) from the list of available devices to pair.
- Once connected, the indicator light will change to a steady blue. You can now stream audio from your Bluetooth device to your wired audio system.

This diagram illustrates the adapter in Receiver (RX) mode, enabling a wired stereo system, speakers, or headphones to receive audio wirelessly from a Bluetooth-enabled phone, tablet, or computer.
7 Issolvi l-problemi
If you encounter issues with your VR-robot Bluetooth adapter, refer to the following common solutions:
- Apparat mhux qed jixgħel: Ensure the device is fully charged. Connect it to a power source using the Micro USB cable.
- Ma tistax tqabbad ma' apparat Bluetooth:
- Ensure the adapter is in the correct mode (TX or RX) for your intended use.
- Make sure the adapter and the target Bluetooth device are within close proximity (within 33 feet or 10 meters).
- Put both devices into pairing mode.
- Turn off other Bluetooth devices nearby to prevent interference or unintended connections.
- Restart both the adapter and the Bluetooth device you are trying to pair with.
- L-ebda awdjo jew kwalità awdjo fqira:
- Check all cable connections to ensure they are secure and correctly inserted into the audio input/output ports.
- Verify that the volume levels on both the adapter and the connected audio devices are appropriately set.
- Ensure the adapter is fully charged. Low battery can affect performance.
- Reduce the distance between the adapter and the connected Bluetooth device, and remove any obstacles that might cause interference.
- Short working range: Bluetooth range can be affected by physical obstructions (walls, furniture) and electromagnetic interference. Try to use the device in an open area with a clear line of sight between the adapter and the connected Bluetooth device.
8. Speċifikazzjonijiet
Technical details for the VR-robot Bluetooth 5.0 Audio Transmitter Receiver Adapter:
| Karatteristika | Dettall |
|---|---|
| Dimensjonijiet tal-Prodott | 1.73 x 1.73 x 0.47 pulzieri |
| Piż tal-oġġett | 3.2 uqija |
| Numru tal-Mudell | VR-NK321 |
| Batteriji | 1 batterija tal-jone tal-litju (inkluża) |
| Teknoloġija tal-Konnettività | Bluetooth, USB |
| Sors tal-Enerġija | Mħaddma bil-batterija |
| Materjal | Plastik |
| Verżjoni Bluetooth | 5.0 |
| Medda ta' Ħidma | Sa 33 pied (10 metri) |

This image illustrates the compact size of the adapter, measuring approximately 1.73 x 1.73 x 0.47 inches, emphasizing its portability and small footprint.

This image demonstrates the effective working range of the Bluetooth 5.0 adapter, which is up to 33 feet (10 meters), showing it connecting a TV to a wireless speaker in a typical home environment.
9. Manutenzjoni
To maintain your VR-robot Bluetooth adapter in optimal condition:
- Naddaf l-apparat b'ċarruta ratba u niexfa. Evita li tuża prodotti tat-tindif jew solventi li joborxu.
- Aħżen l-apparat f'post frisk u niexef 'il bogħod mix-xemx diretta u minn temperaturi estremi.
- When not in use for extended periods, ensure the device is fully charged before storage and recharge it periodically to preserve battery health.
10. Garanzija u Appoġġ
VR-robot provides a 60-day return policy and a 12-month replacement guarantee for this product. Lifetime technical support is also available. If you have any questions or require assistance, please contact VR-robot customer service. Messages are typically responded to within 12 hours.





