1. Uvod
Welcome to the user manual for your King Lucky i21 Open Ear Clip On Earbuds. These wireless Bluetooth headphones are designed for comfort, stability, and high-quality audio, perfect for various activities including running, sports, and daily use. Their unique clip-on, open-ear design ensures a secure fit without discomfort, making them ideal for small ears and glasses wearers. This manual provides essential information on setting up, operating, maintaining, and troubleshooting your earbuds.

Figure 1.1: King Lucky i21 Open Ear Clip On Earbuds and Charging Case (Black)
Product Overview Video
Video 1.1: Overview of the King Lucky i21 Open Ear Clip Earbuds, highlighting their design, features, and benefits. This video demonstrates the product's key functionalities and appearance.
2. Ključne karakteristike
2.1 Dizajn i udobnost
- Dizajn klipova: Crafted for a secure and snug fit, ensuring stability during any activity.
- Udobnost otvorenog uha: Provides clean ears without the discomfort of in-ear insertion, eliminating ear pain and promoting hours of comfort.
- Lagana: Weighing only 4.7g, these earbuds are designed for all-day wear without feeling weighed down.
- Glasses Wearer Friendly: Perfect for individuals who wear glasses, offering wide compatibility and no interference.

Figure 2.1: Demonstrating the comfortable and stylish clip-on design.

Figure 2.2: Earring-style design highlighting light, comfortable, stylish, and painless wear compared to other earbud types.

Figure 2.3: Visual representation of the earbuds' ultra-lightweight design (4.7g).
2.2 Zvuk i povezivost
- Napredni Bluetooth 5.3: Ensures zero latency, robust processing power, efficient energy use, more stable connections, longer transmission ranges, and faster data transfers.
- Dinamički drajver od 13 mm: Features a bass algorithm and large driver for a concert-like audio experience.
- Directional Sound Design: Reduces sound scatter and loss, making audio clearer while allowing awareness of surroundings.
- Mikrofon za poništavanje buke: Clearly picks up your voice even in windy conditions, ensuring crystal-clear calls.

Figure 2.4: Advanced Bluetooth 5.3 technology for superior connection.

Figure 2.5: Illustration of the 13mm dynamic driver for enhanced bass.

Figure 2.6: Earring-style directional sound design for clearer audio.
2.3 Battery Life and Durability
- Produženo vrijeme igranja: Enjoy 6 hours of continuous playtime on a single charge, extended to 45 hours with the charging case.
- Dugo vrijeme pripravnosti: Features a 90-hour standby time.
- IPX4 Vodootporan: Built with a nano hydrophobic coating for IPX4 waterproof protection, making them resistant to rain and sweat.

Figure 2.7: Battery life details for the King Lucky i21 earbuds.

Figure 2.8: IPX4 waterproof and sweat-proof design for active use.
3. Vodič za postavljanje
3.1 Šta se nalazi u kutiji
Prije nego što počnete, provjerite da li su sve komponente prisutne:
- Open Ear Earbuds x 2
- Futrola za punjenje x 1
- Korisnički priručnik x 1
- Type-C kabl za punjenje x 1

Slika 3.1: Sadržaj paketa.
3.2 Početno punjenje
For first-time use, fully charge the earbuds and the charging case. Connect the Type-C charging cable to the charging case and a power source. The charging time for both the earbuds and the carrying case is approximately 1.5 hours.
3.3 Uparivanje s vašim uređajem
The King Lucky i21 earbuds are compatible with all Bluetooth devices, including cellphones and telephones. Follow these steps to pair:
- Provjerite da li su slušalice u kućištu za punjenje i da li kućište ima napajanje.
- Otvorite kutijicu za punjenje. Slušalice će automatski ući u način rada za uparivanje.
- Na vašem uređaju (pametnom telefonu, tabletu, laptopu) idite na postavke Bluetootha.
- Traži dostupne uređaje i odaberite "i21" s popisa.
- Nakon povezivanja, čut ćete zvučni signal potvrde i slušalice će biti spremne za upotrebu.

Figure 3.2: Wide device compatibility and pairing process.
4. Uputstvo za upotrebu
The King Lucky i21 earbuds feature intuitive touch controls for easy management of calls and music playback.

Figure 4.1: Earphone Operation Guide.
4.1 Kontrola muzike
- Pusti/pauziraj muziku: Tap x2 on either the Left (L) or Right (R) earbud.
- Prethodni zapis: Tap x3 on the Left (L) earbud.
- Sljedeća pjesma: Tap x3 on the Right (R) earbud.
4.2 Kontrola poziva
- Odgovori na poziv: Tap x2 on either the Left (L) or Right (R) earbud.
- Završi poziv: Tap x2 on either the Left (L) or Right (R) earbud.
- odbiti poziv: Long Press 2" on either the Left (L) or Right (R) earbud.
4.3 Glasovni asistent
- Aktivirajte glasovnog asistenta: Long Press 2" on either the Left (L) or Right (R) earbud.
4.4 Brisanje uparivanja
- Obriši uparivanje: Long Press 3" on the Charging case button. This can be useful for troubleshooting connection issues.
5. Održavanje
5.1 Čišćenje
To ensure optimal performance and longevity of your earbuds, regular cleaning is recommended:
- Obrišite slušalice i kućište za punjenje mekom, suhom krpom koja ne ostavlja dlačice.
- Za tvrdokornu prljavštinu, lagano dampIsperite krpu vodom. Izbjegavajte upotrebu jakih hemikalija ili abrazivnih materijala.
- Provjerite jesu li kontakti za punjenje i na slušalicama i na kutijici čisti i bez prljavštine.
- While the earbuds are IPX4 waterproof (resistant to splashes and sweat), do not submerge them in water or expose them to running water.
5.2 Skladištenje
Kada se ne koriste, slušalice čuvajte u kutijici za punjenje kako biste ih zaštitili od prašine, oštećenja i kako biste ih održali napunjenima.
5.3 Njega baterija
- Izbjegavajte često potpuno pražnjenje baterije.
- Store the earbuds with some charge if not used for extended periods.
- Use the provided Type-C charging cable for optimal charging.
6. Otkrivanje problema
If you encounter any issues with your King Lucky i21 earbuds, please refer to the following common solutions:
| Problem | Mogući uzrok | Rješenje |
|---|---|---|
| Slušalice se ne uparuju | Low battery; Bluetooth off; Earbuds not in pairing mode; Previous pairing conflict. | Charge earbuds and case; Ensure device Bluetooth is on; Place earbuds in case, open lid to activate pairing; Use 'Clear Pairing' function (Long Press 3" on case button). |
| Nema zvuka ili je mala jačina zvuka | Volume too low on device; Earbuds not properly connected; Earbuds dirty. | Increase device volume; Re-pair earbuds; Clean earbuds and charging contacts. |
| Problemi s punjenjem | Cable not connected properly; Dirty charging contacts; Faulty cable/adapter. | Ensure secure connection; Clean charging contacts; Try a different Type-C cable or power adapter. |
| Intermitentna veza | Udaljenost od uređaja; Smetnje; Slaba baterija. | Stay within Bluetooth range (10 meters); Move away from sources of interference; Charge earbuds. |
7. Specifikacije
| Feature | Detalj |
|---|---|
| Naziv modela | i21 |
| Brand | Kralj Srećko |
| Tehnologija povezivanja | bežični (Bluetooth) |
| Bluetooth verzija | 5.3 |
| Bluetooth domet | 10 metara |
| Postavljanje uha | Open Ear / Clip On |
| Težina artikla | 2.89 ounces (earbuds: 4.7g each) |
| Trajanje baterije (jedno punjenje) | 6 sata |
| Ukupno vrijeme reprodukcije (s kućištem za punjenje) | 45 sata |
| Vrijeme pripravnosti | 90 sata |
| Vrijeme punjenja (slušalice i futrola) | 1.5 sata |
| Waterproof Rating | IPX4 |
| Vrsta audio drajvera | Dinamički drajver (13 mm) |
| Tip kontrole | Touch Control |
| Uključene komponente | Cable, User Manual, Charging Station |
| Materijal | Plastika, metal |
| Dimenzije paketa | 4.8 x 4.09 x 1.26 inča |
8. Garancija i podrška
For detailed warranty information, please refer to the warranty card or specific documentation included with your King Lucky i21 earbuds package. King Lucky is committed to providing high-quality products and customer satisfaction.
If you require further assistance or have questions not covered in this manual, please contact King Lucky customer support through the contact information provided on the product packaging or the official King Lucky website.





