Uvod
Thank you for choosing the Kaidi KD903 Wireless Bluetooth Earphones. This manual provides essential information for the safe and optimal use of your device. Please read it carefully before use and retain it for future reference.
Šta je u kutiji:
- 1 x Kaidi KD903 Wireless Earphones
- 2 x Pairs of Comfortable Ear Tips (different sizes)
- 1 x USB kabl za punjenje
- 1 x Uputstvo za upotrebu

Image: Kaidi KD903 Wireless Earphones with included accessories, such as the charging cable and additional ear tips.
Product Overview
The Kaidi KD903 earphones are designed for active lifestyles, offering a secure fit and resistance to sweat. They feature Bluetooth 4.1 for stable connectivity and clear audio.
Ključne karakteristike:
- Bluetooth 4.1: Osigurava stabilnu i efikasnu bežičnu vezu.
- Otpornost na znoj: Ideal for sports and workouts.
- CVC Intelligent Noise Reduction: Minimizes wind noise for clearer calls.
- Višetačka veza: Povezuje se sa dva uređaja istovremeno.
- Glasovni podsjetnik: Provides audio prompts for status updates.
- IOS Power Display: Shows battery level on iOS devices.

Slika: Eksplodirala view illustrating the internal components and design of the Kaidi KD903 earphone.
Setup
1. Punjenje slušalica
- Spojite USB kabel za punjenje na priključak za punjenje na slušalicama.
- Uključite drugi kraj USB kabla u kompatibilni USB izvor napajanja (npr. računar, adapter za struju).
- The indicator light will illuminate to show charging status. A full charge typically takes approximately 2.5 hours.
- Nakon što se uređaj potpuno napuni, indikatorska lampica će se promijeniti ili ugasiti. Isključite kabel za punjenje.
2. Uparivanje sa Bluetooth uređajem
- Provjerite da li su slušalice isključene.
- Press and hold the multi-function button (usually the main button on the earphone) for approximately 5-7 seconds until the indicator light flashes red and blue alternately. This indicates the earphones are in pairing mode.
- Na pametnom telefonu ili drugom uređaju s omogućenim Bluetoothom omogućite Bluetooth i potražite dostupne uređaje.
- Select 'KD903' from the list of found devices.
- Once connected, a voice prompt will confirm successful pairing, and the indicator light will typically flash blue slowly.

Image: A person wearing the Kaidi KD903 wireless earphones, highlighting their suitability for sports and active use.
Uputstvo za upotrebu
Uključivanje/isključivanje
- Uključeno: Press and hold the multi-function button for approximately 3 seconds until the blue indicator light flashes and a voice prompt says "Power On".
- Iskljuciti: Press and hold the multi-function button for approximately 3 seconds until the red indicator light flashes and a voice prompt says "Power Off".
Reprodukcija muzike
- Pusti/pauza: Jednom pritisnite višenamensko dugme.
- Sljedeća pjesma: Pritisnite i držite dugme za povećanje jačine zvuka.
- Prethodni zapis: Pritisnite i držite dugme za jačinu zvuka -.
- Povećavanje glasnoće: Kratko pritisnite dugme za povećanje jačine zvuka.
- Smanjivanje jačine zvuka: Kratko pritisnite dugme za jačinu zvuka -.
Upravljanje pozivima
- Odgovori/Završi poziv: Jednom pritisnite višenamensko dugme.
- odbiti poziv: Pritisnite i držite višenamjenski gumb otprilike 2 sekunde.
- Ponovno biranje zadnjeg broja: Dvaput pritisnite višenamjensko dugme.
Multipoint Connection (Connecting to Two Devices)
- Pair the earphones with the first device as described in the "Pairing" section.
- After successful pairing, disable Bluetooth on the first device.
- Put the earphones back into pairing mode (red and blue flashing light).
- Uparite slušalice s drugim uređajem.
- Once the second device is paired, re-enable Bluetooth on the first device. The earphones should now be connected to both devices simultaneously.
Održavanje
Proper maintenance ensures the longevity and performance of your Kaidi KD903 earphones.
- čišćenje: Regularly clean the earphones with a soft, dry, lint-free cloth. Do not use abrasive cleaners, solvents, or harsh chemicals.
- Otpornost na znoj: While the earphones are sweat-resistant, avoid submerging them in water or exposing them to heavy rain. After intense workouts, wipe them dry.
- Skladištenje: When not in use, store the earphones in a cool, dry place, away from direct sunlight and extreme temperatures.
- Punjenje: Charge the earphones using only the provided USB cable or a certified equivalent. Avoid overcharging.
Rješavanje problema
Ako imate problema sa slušalicama, pogledajte sljedeće uobičajene probleme i rješenja:
- Earphones do not power on:
Provjerite jesu li slušalice potpuno napunjene. Spojite ih na izvor napajanja i ostavite da se pune najmanje 30 minuta prije nego što ih ponovo pokušate uključiti. - Nema zvuka ili je jačina zvuka niska:
Check the volume levels on both the earphones and your connected device. Ensure the earphones are properly paired and connected to your device. Try re-pairing the earphones. - Nije moguće uparivanje s uređajem:
Ensure the earphones are in pairing mode (red and blue indicator light flashing). Make sure Bluetooth is enabled on your device and it is within the 8-meter transmission range. Try restarting both the earphones and your device. - Connection is unstable or drops frequently:
Ensure there are no obstacles between the earphones and your device. Move closer to your device. Avoid environments with strong Wi-Fi or other wireless interference. - Problem s punjenjem:
Verify that the charging cable is securely connected to both the earphones and the power source. Try using a different USB port or charging adapter.
Specifikacije
| Feature | Specifikacija |
|---|---|
| Bluetooth verzija | 4.1 |
| Profile Podrška | HSP/HFP/A2DP/AVRCP |
| Vrijeme pripravnosti | 200 sati |
| Vrijeme razgovora | 10 sati |
| Vrijeme reprodukcije muzike | 6 sati |
| Vrijeme punjenja | 2.5 sati |
| Frekvencijski opseg | RF 2.40 GHz (2.402 G – 2.480 G) |
| Temperatura okoline | -20°C do +60°C |
| Udaljenost prijenosa | Do 8 metara |
| Kapacitet baterije | 100mAh punjiva |
| Dimenzije (D x Š x V) | 12.2 x 10.3 x 4.4 cm |
| Tip konektora | USB Type-C |
| Boja | Crna |
Garancija i podrška
Informacije o garanciji
This Kaidi KD903 product comes with a 30-dnevna garancija from the date of purchase. This warranty covers manufacturing defects. Please retain your proof of purchase (receipt or invoice) as it is required for any warranty claims.
Garancija ne pokriva štetu uzrokovanu nepravilnom upotrebom, nezgodama, neovlaštenim modifikacijama ili normalnim habanjem.
Korisnička podrška
For technical assistance, troubleshooting not covered in this manual, or warranty inquiries, please contact the retailer from whom you purchased the product. You may also visit the official Kaidi webstranica za dodatne resurse podrške.