1. Introduction
Thank you for choosing SIMOLIO Kids Bluetooth Headphones. These headphones are designed with children's hearing safety in mind, featuring multiple volume limiting levels and a comfortable, durable design. This manual provides detailed instructions for setup, operation, and maintenance to ensure optimal performance and longevity of your headphones.
2. Principales caractéristiques
- Protection auditive : Exclusive 3-level volume limiter (75dB/85dB/94dB) suitable for toddlers, kids, and adults.
- Connectivité double mode : Compatible avec les connexions audio sans fil Bluetooth et filaires 3.5 mm.
- Microphone intégré : Enables hands-free calling in Bluetooth mode.
- Port partagé : Allows daisy-chaining another headphone for shared listening.
- Longue durée de vie de la batterie : Up to 15 hours of music/talk time in wireless mode.
- Confort et durabilité : Adjustable headband with memory stainless steel strips and soft noise-isolating memory foam earmuffs.
- Conception portable : Foldable design with an included hard EVA carrying case for easy storage and travel.

Image: SIMOLIO Kids Bluetooth Headphones in grey, shown with charging cable, AUX cable, and hard EVA carrying case.
3. Contenu de la boîte
À l'ouverture du colis, veuillez vérifier que tous les éléments suivants sont inclus :
- SIMOLIO Kids Bluetooth Headphones (Model: JH-712)
- Câble de chargement USB
- Câble audio auxiliaire 3.5 mm
- Hard EVA Carrying Case
- Manuel de l'utilisateur (ce document)
4. Guide de configuration
4.1 Chargement des écouteurs
Before first use, fully charge the headphones. A full charge takes approximately 2-3 hours.
- Connect the small end of the USB charging cable to the charging port on the headphone.
- Connectez l'extrémité la plus large du câble de chargement USB à un adaptateur secteur USB (non inclus) ou au port USB d'un ordinateur.
- The LED indicator light will turn red during charging and turn off when fully charged.
4.2 Adjusting Volume Limit
The headphones feature a 3-level volume limiter to protect hearing. The switch is located on the left earcup.
- 75dB : Toddler Mode (lowest volume, recommended for very young children).
- 85dB : Kids Mode (standard safe listening level for most children).
- 94dB : Travel Mode (higher volume for noisy environments, suitable for older children/adults).

Image: Close-up of the headphone earcup highlighting the 3-level volume limit switch (75dB, 85dB, 94dB).
5. Mode d'emploi
5.1 Mode sans fil (Bluetooth)
- Mise sous tension : Maintenez le bouton multifonction (MFB) enfoncé pendant 3 secondes jusqu'à ce que le voyant LED clignote en bleu.
- Jumelage : The headphones will automatically enter pairing mode (LED flashes red and blue alternately).
- Connecter: On your device (smartphone, tablet, laptop), enable Bluetooth and select "SIMOLIO JH-712" from the list of available devices. The LED will turn solid blue when connected.
- Contrôles :
- Press MFB once to Play/Pause music or Answer/End calls.
- Press MFB twice to Redial last number.
- Press MFB three times to activate voice assistant (Siri, Google Assistant).
- Press Volume + to increase volume.
- Press Volume - to decrease volume.
- Press Next Track button to skip to the next song.
- Press Previous Track button to go to the previous song.
- Éteindre: Press and hold the MFB for 3 seconds until the LED indicator turns red and then off.

Image: A child wearing SIMOLIO headphones while using a laptop, illustrating the "Safe Volume Limited" feature in a study environment.

Image: Two children demonstrating wireless and wired modes. One child uses headphones wirelessly with a laptop, the other uses them wired with a smartphone. Note: Microphone only works in Bluetooth mode.
5.2 Mode filaire
The headphones can be used as wired headphones even if the battery is depleted.
- Insert one end of the 3.5mm AUX audio cable into the audio input port on the headphone.
- Insert the other end of the 3.5mm AUX audio cable into the audio output jack of your device (e.g., tablet, phone, computer).
- In wired mode, the headphone's battery is not used, and the volume limiting feature remains active. Note that the built-in microphone will not function in wired mode.
5.3 Fonction de partage de port
The share port allows multiple headphones to listen to the same audio source.
- Connect the first SIMOLIO headphone to your device via Bluetooth (wireless) or AUX cable (wired).
- Connect one end of a 3.5mm AUX audio cable to the share port on the first headphone.
- Connect the other end of the 3.5mm AUX audio cable to the audio input port of a second headphone.
- Both headphones will now play audio from the same source.

Image: A child comfortably wearing SIMOLIO headphones on an airplane, highlighting the compact and foldable design for travel.
6. Maintenance et entretien
- Nettoyage: Utilisez un chiffon doux et sec pour nettoyer les écouteurs. N'utilisez pas de produits nettoyants abrasifs ni de solvants.
- Stockage: When not in use, fold the headphones and store them in the provided hard EVA carrying case to protect them from dust and damage.
- Température: Évitez d'exposer les écouteurs à des températures extrêmes (chaudes ou froides) ou à une forte humidité.
- Exposition à l'eau : These headphones are not waterproof. Avoid contact with water or other liquids.
- Manutention: Do not bend the headband hinge excessively. While durable, improper force can cause damage.

Image: Diagram illustrating the flexibility of the headband with memory elastic metal strips, showing how it can be remoulded to fit the user's head. Important note: Do not bend the hinge.
7. Dépannage
| Problème | Cause possible | Solution |
|---|---|---|
| Les écouteurs ne s'allument pas. | Batterie faible ou déchargée. | Chargez complètement les écouteurs à l'aide du câble USB fourni. |
| Impossible de coupler via Bluetooth. | Écouteurs non en mode appairage ; Bluetooth de l’appareil désactivé ; trop éloignés de l’appareil. | Ensure headphones are in pairing mode (flashing red/blue). Turn device Bluetooth off/on. Move headphones closer to device (within 10 meters). |
| Aucun son en mode sans fil. | Volume trop faible ; appareil non connecté ; sortie audio incorrecte sélectionnée. | Increase headphone and device volume. Ensure headphones are successfully paired. Check device's audio output settings. |
| Aucun son en mode filaire. | AUX cable not fully inserted; cable damaged; device audio jack issue. | Ensure AUX cable is fully inserted into both headphone and device. Try a different AUX cable. Test with another device. |
| Le microphone ne fonctionne pas. | Headphones in wired mode; device microphone settings. | The microphone only functions in Bluetooth mode. Ensure headphones are connected wirelessly. Check device's microphone privacy settings. |
8. Spécifications
| Fonctionnalité | Détail |
|---|---|
| Nom du modèle | Kids Wireless Bluetooth Headphones JH-712G |
| Technologie de connectivité | Sans fil (Bluetooth), filaire (prise auxiliaire 3.5 mm) |
| Portée Bluetooth | 10 mètres (33 pieds) |
| Autonomie de la batterie | Jusqu'à 15 heures (mode sans fil) |
| Taille du pilote audio | 40 millimètres |
| Volume Limiting Levels | 75 dB, 85 dB, 94 dB |
| Matériel | Acrylonitrile butadiène styrène (ABS) |
| Dimensions du produit | 5.51 x 3.15 x 5.31 pouces |
| Poids de l'article | 13.4 onces |
| Composants inclus | Câble de chargement, câble AUX, manuel d'utilisation, étui de transport en EVA |
9. Garantie et assistance
SIMOLIO provides a 12-month hassle-free warranty for these headphones. For any product-related inquiries, technical support, or warranty claims, please contact SIMOLIO customer service through the following channels:
- E-mail: Refer to the contact information provided on the product packaging or SIMOLIO official website.
- Support en ligne: Visit the SIMOLIO Store on Amazon: SIMOLIO Store
Please have your model number (JH-712) and purchase date ready when contacting support.





