eppfun AK3040R
eppfun Bluetooth 5.3 Receiver User Manual
Model: AK3040R | Brand: eppfun
1. Proizvod je gotovview
The eppfun Bluetooth 5.3 Receiver is designed to upgrade your existing home stereo systems, car stereos, or wired speakers with wireless Bluetooth capabilities. It allows you to stream audio from your smartphone, tablet, or other Bluetooth-enabled devices directly to your non-Bluetooth audio equipment. Featuring advanced Bluetooth 5.3 technology, NFC one-touch pairing, and versatile connectivity options including 3.5mm AUX and RCA outputs, this receiver provides a seamless and high-quality audio streaming experience with low latency.

Slika 1.1: Prednja strana view of the eppfun Bluetooth 5.3 Receiver, highlighting the NFC area and control button.
2. Sigurnosne informacije
Molimo vas da pažljivo pročitate sva sigurnosna uputstva prije upotrebe ovog proizvoda. Nepoštivanje ovih uputstava može dovesti do strujnog udara, požara ili drugih opasnosti.
- Ne izlažite uređaj tekućinama, vlazi ili ekstremnim temperaturama.
- Ne rastavljajte niti pokušavajte sami popraviti uređaj. Sve servisne radove prepustite kvalifikovanom osoblju.
- Use only the specified power adapter (4.8V to 5.25V input voltage) to avoid damage.
- Držite uređaj dalje od jakih magnetnih polja.
- Uređaj i njegove komponente odložite odgovorno u skladu s lokalnim propisima.
3. Šta se nalazi u kutiji
Prilikom otvaranja paketa, molimo Vas da se uvjerite da su svi artikli prisutni i u dobrom stanju:
- eppfun Bluetooth 5.3 Receiver (AK3040R)
- USB-C kabl za napajanje
- 3.5 mm AUX audio kabel
- RCA audio kabel
- Korisnički priručnik (ovaj dokument)

Figure 3.1: The eppfun Bluetooth 5.3 Receiver shown with its various ports and typical included cables.
4. Vodič za postavljanje
Follow these steps to set up your eppfun Bluetooth 5.3 Receiver:
4.1 Priključak za napajanje
- Connect the provided USB-C power cable to the DC-5V port on the receiver.
- Plug the other end of the USB-C cable into a compatible USB power adapter (not included) or a USB port on your audio system/computer.

Figure 4.1: Illustration of connecting the power cable and audio cables to the receiver.
4.2 Audio veza
Choose one of the following methods to connect the receiver to your audio system:
- Using 3.5mm AUX Cable: Connect one end of the 3.5mm AUX cable to the AUX port on the receiver and the other end to the AUX input port on your speaker or stereo system.
- Using RCA Cables: Connect the red and white RCA plugs to the corresponding RCA output ports on the receiver (R for right, L for left) and the other end to the RCA input ports on your stereo system or amplifier.

Figure 4.2: Visual guide for connecting the power and audio cables (3.5mm AUX or RCA) to the receiver and your speaker system.
4.3 Bluetooth uparivanje
- Once powered on, the receiver will automatically enter pairing mode, indicated by a flashing light on the NFC area.
- On your smartphone or Bluetooth-enabled device, go to the Bluetooth settings and turn Bluetooth on.
- Traži available devices and select "eppfun AK3040R" from the list.
- Once connected, the light on the receiver will become solid, indicating a successful pairing.

Figure 4.3: Illustration of a smartphone pairing with the eppfun Bluetooth receiver via Bluetooth.
4.4 NFC One-Touch Pairing (for NFC-enabled devices)
If your smartphone or tablet supports NFC, you can pair the device with a single touch:
- Provjerite je li NFC omogućen na vašem mobilnom uređaju.
- Gently tap your NFC-enabled mobile device on the NFC sensing area (the circular area with the NFC logo) of the eppfun receiver.
- Confirm the pairing request on your mobile device if prompted. The connection will be established instantly.

Figure 4.4: A smartphone being tapped on the NFC area of the receiver for quick pairing.
5. Uputstvo za upotrebu
5.1 Bluetooth audio streaming
Once paired, you can stream audio from your device to your connected speakers:
- Open your preferred music or audio application on your paired device.
- Start playing audio. The sound will be transmitted wirelessly to the eppfun receiver and output through your connected speakers.
- Use the volume controls on your source device or your audio system to adjust the playback volume.

Figure 5.1: Diagram illustrating how the Bluetooth receiver enables wireless audio streaming from a phone to speakers.
5.2 Reprodukcija TF kartice
The eppfun receiver supports audio playback directly from a TF (MicroSD) card:
- Umetnite TF karticu koja sadrži audio files (e.g., MP3, WAV) into the TF card slot on the side of the receiver.
- The receiver will automatically detect the TF card and begin playing audio.
- Use the control button on the receiver to pause/play audio. (Note: Specific track navigation may depend on the device's internal logic, as there are no dedicated track controls).

Slika 5.2: Krupni plan view of the eppfun receiver showing the TF card slot with a TF card inserted.
6. Otkrivanje problema
If you encounter issues with your eppfun Bluetooth 5.3 Receiver, please refer to the following common problems and solutions:
| Problem | Mogući uzrok | Rješenje |
|---|---|---|
| Nema izlaza zvuka. | Incorrect audio cable connection, low volume, receiver not paired. |
|
| Nije moguće upariti s Bluetooth uređajem. | Receiver not in pairing mode, device too far, interference. |
|
| Veza često prekida. | Udaljenost, prepreke, smetnje. |
|
| TF kartica ne reprodukuje. | Netačno file format, card not inserted correctly, corrupted card. |
|
7. Specifikacije
| Feature | Detalj |
|---|---|
| Model | AK3040R |
| Bluetooth verzija | 5.3 |
| Tehnologija povezivanja | Bluetooth, NFC |
| Audio portovi | 3.5mm AUX, RCA (L/R) |
| Posebne karakteristike | TF Card Slot, NFC Function |
| Ulazni voltage | 4.8V to 5.25V (via USB-C) |
| Reception Distance | Up to 10m (indoor) |
| Dimenzije proizvoda | 6.8 x 6.8 x 2 cm (2.68 x 2.68 x 0.79 inča) |
| Težina artikla | 45 g (1.59 unci) |
| Proizvođač | eppfun |
| Zemlja porijekla | Kina |
8. Održavanje
To ensure the longevity and optimal performance of your eppfun Bluetooth 5.3 Receiver, follow these maintenance guidelines:
- čišćenje: Use a soft, dry cloth to wipe the surface of the device. Do not use liquid cleaners or abrasive materials.
- Skladištenje: Kada se uređaj ne koristi duži period, čuvajte ga na hladnom i suhom mjestu, dalje od direktne sunčeve svjetlosti i ekstremnih temperatura.
- Rukovanje: Izbjegavajte ispuštanje uređaja ili izlaganje jakim udarcima.
9. Garancija i podrška
eppfun is committed to providing high-quality products and excellent customer service.
9.1 Informacije o garanciji
Ovaj proizvod dolazi sa a 12-mjesečna garancija od datuma kupovine. Ova garancija pokriva proizvodne nedostatke i probleme nastale normalnom upotrebom. Molimo sačuvajte dokaz o kupovini za reklamacije u slučaju garancije.

Figure 9.1: The eppfun 1-Year Quality Assurance badge, signifying commitment to product quality.
9.2 Politika povrata
eppfun offers a Politika povrata od 60 dana. If you are dissatisfied with the product or unable to resolve an issue, you are eligible for a full, hassle-free refund within 60 days of purchase.

Figure 9.2: Icon representing the 60-Day Return policy.
9.3 Korisnička podrška
For any questions, concerns, or technical assistance, please contact eppfun customer support. Your satisfaction is our priority, and we will address your inquiries as soon as possible.
- Način kontakta: Please reach out through the official eppfun seller page on the platform where you purchased the product.
- Pitanja o proizvodu: If you have questions about product compatibility or features, feel free to leave a question in the customer questions & answers section on the product page. We aim to respond within one business day.


Figure 9.3: Icons representing customer support and inquiry options.
10. Zvanični videozapisi proizvoda
No official product videos with "Seller" as creator type were found in the provided data.
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