eppfun CM818
eppfun CM818 LE Audio Auracast Bluetooth 5.4 Over-Ear Headphones User Manual
Eredua: CM818
Sarrera
Thank you for choosing the eppfun CM818 LE Audio Auracast Bluetooth 5.4 Over-Ear Headphones. These headphones are designed to provide a high-quality audio experience with advanced features such as LE Audio, Auracast broadcasting and reception, Bluetooth 5.4 connectivity, and support for various AptX audio codecs including Lossless, Adaptive, and HD. Enjoy low-latency audio for gaming and video, along with versatile connectivity options.
Paketearen edukia
Mesedez, egiaztatu elementu guztiak zure paketean daudela:
- eppfun CM818 Over-Ear Headphones
- Kargatzeko kablea
- Audio kablea (3.5 mm)
- Babes-zorroa
- Erabiltzailearen eskuliburua

Image: The eppfun CM818 Over-Ear Headphones in black, showcasinberen diseinua.
Kontrolak eta Adierazleak
Familiarize yourself with the headphone controls for optimal use.

Image: Diagram illustrating the location and function of buttons on the eppfun CM818 headphones, including On/Off, Volume +/-, Previous/Next track, Auracast Out/In, Reset, and Bluetooth Pairing.
- Pizteko botoia: Eduki sakatuta pizteko/itzaltzeko.
- Bolumena igo / Hurrengo pista: Sakatu labur bolumena igotzeko, sakatu luze hurrengo abestia ikusteko.
- Bolumena jaitsi / Aurreko pista: Sakatu labur bolumena jaisteko, sakatu luze aurreko abestira joateko.
- Funtzio anitzeko botoia (MFB): Erreproduzitu/pausatu, erantzun/amaitu deiak.
- Auracast botoia: Activates Auracast broadcast or reception mode.
- LED adierazlea: Energiaren egoera, parekatze modua eta kargatzeko egoera erakusten ditu.
Konfigurazioa
1. Entzungailuak kargatzea
Before first use, fully charge the headphones. Connect the provided charging cable to the USB-C port on the headphones and to a USB power source. The LED indicator will show charging status and turn off when fully charged.
2. Piztu/Itzali
- Piztu: Sakatu eta eutsi pizteko botoia 3 segundo inguru, LED adierazlea keinuka hasi arte.
- Itzali: Sakatu eta eutsi pizteko botoia 5 segundo inguru LED adierazlea itzali arte.
3. Bluetooth parekatzea
- Ziurtatu entzungailuak itzalita daudela.
- Press and hold the Power button for about 5-7 seconds until the LED indicator flashes blue and red alternately, indicating pairing mode.
- Zure gailuan (telefono adimenduna, tableta, ordenagailua), gaitu Bluetooth eta bilatu eskuragarri dauden gailuak.
- Select "eppfun CM818" from the list of devices.
- Konektatu ondoren, LED adierazlea urdin argituko da poliki-poliki.
Entzungailuen euskarria. Konexio bikoitza, allowing simultaneous connection to two Bluetooth devices. For example, you can connect to a tablet for media and a smartphone for calls.

Image: The eppfun CM818 headphones connected simultaneously to a tablet playing music and a smartphone receiving a call, demonstrating the dual connection feature.
4. Auracast Functionality
The eppfun CM818 headphones support Auracast technology, enabling them to act as both a receiver and a broadcaster of audio streams. This allows multiple Auracast-compatible devices to receive audio from a single source simultaneously.
- Auracast Out (Broadcasting): To broadcast audio from your headphones to other Auracast receivers, press the dedicated Auracast button. The LED indicator will show a specific pattern for broadcasting mode. This feature is typically used when the headphones are connected to an audio source via a wired connection or acting as a gateway.
- Auracast In (Receiving): To receive an Auracast broadcast from a compatible transmitter (e.g., an eppfun Auracast transmitter for TV), press the Auracast button to enter reception mode. The headphones will scan for available Auracast streams.

Image: Headphones with "AURACAST Out" text and an outgoing sound wave icon, indicating broadcasting mode.

Image: Headphones with "AURACAST IN" text and an incoming sound wave icon, along with two smaller headphone icons, indicating reception mode from a broadcast.
For optimal Auracast performance, it is recommended to use eppfun brand related transmitters and adapters.
Funtzionamendu-argibideak
1. Audio erreprodukzioa
- Erreproduzitu/Pausatu: Sakatu MFB behin.
- Bolumena igo: Sakatu labur bolumena igotzeko botoia.
- Bolumena jaitsi: Sakatu labur Bolumena Jaisteko botoia.
- Hurrengo ibilbidea: Sakatu luze bolumena igotzeko botoia.
- Aurreko pista: Sakatu luze Bolumena Jaisteko botoia.
2. Deien kudeaketa
- Deia erantzun/amaitu: Sakatu MFB behin.
- Deia baztertu: Eduki sakatuta MFB 2 segundoz.
- Deia transferitu: During a call, press and hold the MFB for 2 seconds to transfer the call between headphones and phone.
3. Audio Codecs and Quality
The eppfun CM818 headphones support a range of audio codecs to deliver high-quality sound, including SBC, AAC, AptX, AptX HD, AptX Adaptive, AptX Lossless, and LC3 (for LE Audio). The headphones will automatically select the best available codec supported by your connected device.

Image: A legend showing different colored dots corresponding to various audio codecs: AptX Lossless (red), AptX Adaptive (orange/white), AptX HD (green), AptX LL (white), AptX (cyan), AAC (purple), SBC (blue), and LE Audio (green/white). These colors may be reflected in the headphone's LED indicator to show the active codec.
For the highest fidelity, the headphones support AptX Lossless, providing uncompressed audio quality over Bluetooth when paired with a compatible source device.
4. Low Latency for Gaming and Video
With LE Audio and optimized AptX codecs, the CM818 headphones offer a low latency experience (as low as 20ms), ensuring audio and video synchronization. This is particularly beneficial for gaming and watching movies, eliminating noticeable delays.

Image: Two individuals wearing eppfun CM818 headphones while playing a video game on a console connected to a large screen TV, illustrating the low-latency feature for gaming.
5. Kable bidezko konexioa (AUX modua)
To use the headphones with non-Bluetooth devices or when the battery is depleted, connect the provided 3.5mm audio cable to the headphone's AUX port and to your audio source. In AUX mode, the headphones operate passively and do not require power.
Mantentzea
- Garbiketa: Erabili zapi leun eta lehor bat entzungailuak garbitzeko. Ez erabili produktu kimiko gogorrik edo material urratzailerik.
- Belarrietarako kuxinak: The genuine leather ear cushions are designed for comfort. If necessary, they can be gently wiped with a damp cloth and mild soap, then air-dried.
- Biltegiratzea: When not in use, store the headphones in the provided protective case to prevent damage. Avoid exposing them to extreme temperatures, humidity, or direct sunlight.
- Bateria zaintzea: Bateriaren iraupena luzatzeko, saihestu entzungailuak maiz erabat deskargatzea. Kargatu itzazu aldizka, etengabe erabiltzen ez badituzu ere.
Arazoak konpontzea
| Arazoa | Irtenbidea |
|---|---|
| Entzungailuak ez dira pizten. | Ziurtatu entzungailuak kargatuta daudela. Konektatu itzazu kargatzeko kablea erabiliz energia-iturri batera. |
| Ezin da gailu batekin parekatu. |
|
| Soinurik ez edo bolumen baxua. |
|
| Audio delay during gaming/video. | Ensure your source device supports LE Audio or AptX Low Latency codecs and that the headphones are operating in a low-latency mode if applicable. Reduce distance to the source device. |
| Auracast not working. |
|
Zehaztapenak
| Ezaugarri | Xehetasuna |
|---|---|
| Ereduaren izena | CM818 |
| Bluetooth bertsioa | 5.4 |
| Konektibitate Teknologia | Bluetooth, LE Audio |
| Audio-kodek onartzen dira | SBC, AAC, AptX, AptX HD, AptX Adaptive, AptX Lossless, LC3 |
| Zarata Kontrola | Zarata Ezeztapen Pasiboa |
| Maiztasun Erantzuna | 20 Hz - 20,000 Hz |
| Inpedantzia | 32 Ohm |
| Audio latentzia | As low as 20ms (with LE Audio) |
| Bluetooth barrutia | Gehienez 10 metro (33 oin) |
| Gidariaren tamaina | 40 mm kontrolatzaile dinamikoa |
| Jolas-ordua | Gehienez 50 ordu |
| Egonean Denbora | Gehienez 100 ordu |
| Pisua | Gutxi gorabehera 10.6 ontza (300 g) |
| Materiala | Plastic, Genuine Leather (ear cushions) |
| Dakarten osagaiak | Headphones, Charging Cable, Audio Cable, Protective Case, User Manual |
Bermea eta Laguntza
eppfun products come with a standard manufacturer's warranty. For detailed warranty information, product support, or to contact customer service, please visit the official eppfun store or webgunea.
Official eppfun Store: eppfun Store on Amazon
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