1. Produktet er slutview
The ZJchao Mini Earphone Headset (Model: ZJchaohrnkg074d3) is a compact, wired in-ear audio device designed for discreet and clear sound transmission. It features a 3.5mm jack for broad compatibility with various mobile devices and a built-in answering function for convenient communication.

Billede 1.1: Overview of the ZJchao Mini Earphone Headset and its accessories.
2. Pakkens indhold
Kontroller venligst, at alle varer er til stede i pakken:
- 1 x Mini Earphone
- 1 x Headphone Cable (with 3.5mm jack and answering button)
- 2 x Matching Batteries (SR416SW / 337)
- 1 x opbevaringskasse

Image 2.1: All components included in the ZJchao Mini Earphone Headset package.
3. Opsætningsvejledning
- Installer batteriet: Gently open the battery compartment door on the mini earphone. Insert one of the provided SR416SW / 337 batteries, ensuring correct polarity. Carefully close the battery door.
- Insert Earphone: Hold the earphone by its high-strength removal rope. Gently insert the earphone into your ear canal. A slight sound of current indicates that the earphone is powered on and functioning.
- Tilslut kabel: Plug the 3.5mm jack of the headphone cable into the audio output port of your mobile phone, tablet, e-reader, or other compatible device.

Image 3.1: The mini earphone with its removal string for easy handling.

Image 3.2: Demonstrating the connection of the earphone to the audio cable.
4. Betjeningsvejledning
- Lydafspilning: Once connected, play audio from your device. Adjust the volume directly on your connected device to a comfortable listening level. The earphone has a maximum volume of 110dB.
- Besvarelse af opkald: The headphone cable features a built-in answering button. Press this button to answer or end phone calls when connected to a mobile phone. The effective distance between the earphone and the neck ring (where the answering button is located) is approximately 20 cm.
- Removing the Earphone: To remove the earphone, gently pull on the high-strength removal rope attached to it.

Image 4.1: The ZJchao Mini Earphone held in hand, highlighting its compact design.
5. Vedligeholdelse
- Rensning: Use a soft, dry cloth to clean the earphone and cable. Do not use liquids or abrasive cleaners.
- Opbevaring: When not in use, store the earphone and accessories in the provided storage case to protect them from dust and damage.
- Udskiftning af batteri: Replace the battery (SR416SW / 337) when audio quality degrades or the earphone stops functioning. Dispose of used batteries responsibly.
- Vandtæthed: The earphone is rated as waterproof. However, avoid prolonged submersion or exposure to high-pressure water to ensure longevity.
6. Fejlfinding
If you encounter issues with your ZJchao Mini Earphone Headset, please refer to the following common solutions:
- Ingen lyd:
- Sørg for, at batteriet er korrekt installeret og har tilstrækkelig opladning.
- Verify the 3.5mm jack is fully inserted into your device's audio port.
- Kontroller lydstyrkeniveauet på din tilsluttede enhed.
- Test med en anden lydkilde eller enhed for at udelukke enhedsspecifikke problemer.
- Dårlig lydkvalitet:
- Replace the battery if it is old or low on power.
- Ensure the earphone is clean and free from debris.
- Confirm the 3.5mm jack is securely connected.
- Earphone Not Staying in Ear:
- Ensure the earphone is inserted correctly and comfortably.
7. Specifikationer
| Modelnummer | ZJchaohrnkg074d3 |
| Linjelængde | Ca. 1.6 m (5.25 fod) |
| Hovedtelefonstik | 3.5 mm |
| Øreplacering | In Ear |
| Modtager type | Magnetic / Analog |
| Maksimal lydstyrke | 110dB |
| Batteritype | SR416SW / 337 |
| Batterilevetid | Ca. 8 timer |
| Materiale | Acrylonitril Butadien Styren (ABS) |
| Forbindelsesteknologi | Kablet |
| Støjkontrol | Ingen |
| Frekvensområde | 20 Hz - 20,000 Hz |
| Vandmodstandsniveau | Vandtæt |
8. Garanti og support
For warranty information or technical support, please contact ZJchao customer service through the retailer where the product was purchased or visit the official ZJchao webwebsted. Gem venligst din købsbevis i tilfælde af garantikrav.