Introducció
This manual provides comprehensive instructions for the proper use and maintenance of your NICEHCK Yuandao 1st Generation 3.5mm Jack Wired Earbuds. Please read this manual carefully to ensure optimal performance and longevity of your device.

Image: The NICEHCK Yuandao 1st Generation wired earbuds in black, featuring the in-line microphone control and a 3.5mm audio jack.
Contingut del paquet
El paquet inclou:
- NICEHCK Yuandao 1st Generation Wired Earbuds
- Foam Eartip Covers (pre-installed or included separately)
Configuració
1. Connexió dels auriculars
- Locate the 3.5mm audio jack on your device (e.g., smartphone, tablet, laptop, gaming console).
- Insert the 3.5mm plug of the earbuds firmly into the audio jack. Ensure a secure connection for optimal sound.

Image: The 3.5mm plug of the earbuds is compatible with a wide range of devices, including digital audio players, laptops, tablets, and smartphones.
2. Posar-se els auriculars
- Identify the left (L) and right (R) earbuds. The earbuds are designed with a classic flat-head ergonomic shape for comfortable placement in the outer ear.
- Gently place each earbud into the corresponding ear. The included foam covers can enhance comfort and fit.
- Adjust the cable for a comfortable fit, ensuring it does not pull on the earbuds.

Image: The ergonomic and classic flat-head design of the earbuds is shown, illustrating how they sit comfortably in the ear.
Instruccions de funcionament
Multifunction Button Control (for models with microphone)
The in-line control unit features a microphone and a multifunction button for easy management of calls and music playback.

Image: The in-line control unit with its microphone and multifunction button, detailing the actions for call and music control.
- Premsa curta: Answer an incoming call / Play or Pause music.
- Premsa llarga: Hang up an active call / Reject an incoming call.
- Premeu 2 vegades: Passeu a la següent cançó.
- Premeu 3 vegades: Go back to the previous song.
Ús del micròfon
For models equipped with a microphone, ensure the microphone is positioned appropriately for clear voice capture during calls or gaming communication.
Manteniment
Atenció General
- Store the earbuds in a clean, dry place when not in use to prevent damage.
- Eviteu exposar els auriculars a temperatures extremes, humitat o llum solar directa.
- Do not pull on the cable directly when disconnecting from a device; always grasp the 3.5mm plug.
Neteja
- Netegeu suaument els auriculars i el cable amb un drap suau i sec.
- If using foam covers, remove them periodically and clean them as recommended by the manufacturer, or replace them if they become worn or dirty.
- Ensure no moisture enters the earbud drivers or the 3.5mm jack.
Resolució de problemes
| Problema | Causa possible | Solució |
|---|---|---|
| Sense so ni volum baix |
|
|
| El micròfon no funciona |
|
|
| Distorsió o cruixit del so |
|
|
Especificacions

Imatge: Una explosió view of the earbud's internal structure, showcasing the 15.4mm dynamic driver and PET diaphragm responsible for audio reproduction.
- Nom del model: Yuandao 1st Generation
- Tecnologia de connectivitat: Amb cable
- Presa per a auriculars: 3.5 mm Jack
- Tipus de controlador d'àudio: Conductor dinàmic
- Mida del controlador d'àudio: 15.4 mil·límetres
- Interval de freqüència: 20-20 kHz
- Impedància: 32 ohms
- Material: Carcassa de plàstic ABS
- Tipus de control: Media Control (for mic version)
- Característica especial: Lightweight, Ergonomic Flat-Head Design
- Dispositius compatibles: Devices with 3.5mm Audio Jack (iPhone/iPad/MacBook, Android smartphones, PC/computer, tablets, PS5, Xbox, Switch, DAP/DAC/AMP jugadors)
Informació de la garantia
The NICEHCK Yuandao 1st Generation Wired Earbuds come with a 5-year warranty from the date of purchase. This warranty covers manufacturing defects and ensures the product meets its specified performance standards under normal use. Please retain your proof of purchase for warranty claims. The warranty does not cover damage caused by misuse, accidents, unauthorized modifications, or normal wear and tear.
Suport
For technical assistance, warranty claims, or any other inquiries, please contact our customer support team:
- Correu electrònic: support@nicehck.com
You can also find more information and updates on our official channels:

Image: Graphic indicating global support and service availability, including an email contact.
