1. Introduction
The Siindoo JH-919C RGB Wireless Headphones are designed to provide an immersive audio experience with both comfort and style. These foldable Bluetooth stereo earphones feature vibrant RGB lighting, three distinct EQ sound modes, a built-in HD microphone, and a long-lasting 1000mAh battery. They are an ideal choice for various activities including travel, sports, and daily entertainment, suitable for users of all ages.
Siindoo is a national high-tech enterprise dedicated to researching, developing, manufacturing, marketing, and servicing audio products. Founded in 2008 and headquartered in Shenzhen, China, Siindoo's factory is ISO9001 and BSCI certified, ensuring high-quality products appreciated by customers worldwide.
2. What's in the Box
Upon unboxing your Siindoo JH-919C headphones, please verify that all the following items are included:
- 1 x Siindoo JH-919C Headset
- 1 x 0.5m Type-C Charging Cable
- 1 x 1.2m AUX Cable (3.5mm)
- 1 x User Manual (Available in UK/ES/RU/PT/FR languages)
The video below provides a visual overview of the unboxing process and the accessories included with your Siindoo JH-919C headphones.
3. Product Features
- Vibrant RGB Lighting: Features 7-color RGB breathing lights, enhancing your gaming or listening experience. The lights can be controlled via a dedicated button.
- Superior Comfort: Earmuffs are crafted from soft, skin-friendly material that simulates human skin texture. The headband is also made of soft, skin-friendly material, ensuring comfort during extended use.
- Ergonomic & Portable Design: Lightweight, foldable, and stretchable design for easy portability and adjustable fit for various head sizes.
- High-Fidelity Audio: Equipped with advanced dual 40mm dynamic sounding units for clear vocal delivery and rich audio.
- 3 EQ Sound Modes: Easily switch between Pop, Bass, and Vocal modes to tailor your listening experience to different music genres.
- Versatile Connectivity: Supports Bluetooth 5.1 for wireless connection and includes a 3.5mm AUX cable for wired listening, offering flexibility.
- Long-Lasting Battery: A powerful 1000mAh battery provides up to 120 hours of talk time, 150 hours of music playback (at 70% volume), and 80 hours with LED lights active. Offers an impressive 600 hours of standby time.
- Fast Charging: A quick 5-minute charge can provide up to 3 hours of playtime. Full charge in approximately 2.5 hours via Type-C port.
- HD Microphone: Integrated microphone for clear hands-free calls.
- Dual Device Connection: Allows connection to two devices simultaneously.
- Durable Build: Features a frosted surface texture and a stainless steel expandable headband for enhanced durability.
4. Controls and Interfaces
Familiarize yourself with the buttons and ports on your Siindoo JH-919C headphones for optimal use:
- Volume Up / Next Track (+): Short press to increase volume. Long press to skip to the next track.
- Multi-Function Button (O): Press to play/pause music, answer/end calls.
- Volume Down / Previous Track (-): Short press to decrease volume. Long press to go to the previous track.
- LED Indicator: Displays connection status, charging status, and power on/off.
- Power On/Off / EQ Switch / LED Light On/Off (Power/EQ): Long press to power on/off. Short press to cycle through EQ modes (Pop, Bass, Vocal). Double press to turn RGB lights on/off.
- Mic: Built-in microphone for voice calls.
- 3.5mm Audio Interface: For wired connection using the AUX cable.
- Type-C Charging Interface: For charging the headphones.
5. Setup
5.1. Bluetooth Pairing
- Ensure your headphones are sufficiently charged.
- Press and hold the Power/EQ button for a few seconds until the LED indicator lights begin to flash (typically blue and red, or cycling through colors), indicating the headphones are in pairing mode.
- On your smartphone, tablet, or computer, navigate to the Bluetooth settings.
- Turn on Bluetooth and search for available devices.
- Select "siindoo-H7" (or similar model name) from the list of found devices to connect.
- Once successfully paired, the LED indicator will show a stable light (e.g., solid blue), and you may hear an audible confirmation.
5.2. Wired Connection (AUX Mode)
For a wired audio experience or when the battery is depleted, you can use the provided 3.5mm AUX cable:
- Connect one end of the 3.5mm AUX cable into the 3.5mm Audio Interface on the headphones.
- Connect the other end of the AUX cable into the 3.5mm audio output jack of your audio device (e.g., phone, computer, MP3 player).
- The headphones will automatically switch to wired mode, and you can enjoy audio without using battery power.
6. Operating Instructions
6.1. Power On/Off
- Power On: Press and hold the Power/EQ button for approximately 3 seconds. The LED indicator will light up, and you will hear a power-on prompt.
- Power Off: Press and hold the Power/EQ button for approximately 3 seconds. The LED indicator will turn off, and you will hear a power-off prompt.
6.2. Volume Control
- Increase Volume: Short press the + button.
- Decrease Volume: Short press the - button.
6.3. Music Playback
- Play/Pause: Short press the Multi-Function Button (O).
- Next Track: Long press the + button.
- Previous Track: Long press the - button.
6.4. Call Management
- Answer/End Call: Short press the Multi-Function Button (O).
- Reject Call: Long press the Multi-Function Button (O).
6.5. EQ Sound Modes
The headphones feature 3 EQ modes to customize your audio experience:
- Switch Modes: Short press the Power/EQ button to cycle through the available modes: Pop, Bass, and Vocal.
6.6. RGB Lighting Control
The RGB breathing lights can be toggled on or off:
- Turn Lights On/Off: Double press the Power/EQ button.
7. Charging
To charge your Siindoo JH-919C headphones:
- Locate the Type-C Charging Interface on the headphones.
- Connect the provided 0.5m Type-C Charging Cable to the headphones.
- Plug the other end of the charging cable into a compatible USB power source (e.g., wall adapter, computer USB port).
- The LED indicator will show the charging status (e.g., solid red while charging, off or blue when fully charged).
- A full charge takes approximately 2.5 hours.
Battery Life Overview:
- Music Play Time: Up to 150 hours (at 70% volume)
- Music Play Time (with LED light): Up to 80 hours
- Talk Time: Up to 120 hours
- Standby Time: Up to 600 hours
- Quick Charge: 5 minutes of charging provides approximately 3 hours of playtime.
8. Specifications
| Feature | Specification |
|---|---|
| Brand | Siindoo |
| Model | JH-919C |
| Communication | Wireless+Wired |
| Bluetooth Version | V5.1 |
| Wireless Range | ≥10M |
| Charging Port | Type-C |
| Battery Capacity | 1000 mAh |
| Charging Time | Approx. 2.5 H |
| Standby Time | Approx. 600 H |
| Talk Time | Approx. 120 H |
| Music Play Time (70% volume) | Approx. 150 H |
| Music Play Time (with LED light) | Approx. 80 H |
| Speaker Driver Units | Φ40mm |
| Impedance | 32±2Ω |
| Speaker Sensitivity | 110dB±3dB |
| Frequency Response | 20Hz~20KHz |
| Magnet Type | Neodymium |
| Earmuffs Material | Memory Foam |
| Vocalism Principle | Dynamic |
| Control Button | Yes |
| Volume Control | Yes |
| Active Noise-Cancellation | No |
| Microphone | Yes |
| Certifications | CE, FCC, RoHS, WEEE |
| Weight | 298g |
| Cable Length (AUX) | 1.2m |
| Plug Type | Line Type (3.5mm) |
9. Maintenance
To ensure the longevity and optimal performance of your Siindoo JH-919C headphones, follow these maintenance guidelines:
- Cleaning: Regularly wipe the headphones, especially the earcups and headband, with a soft, dry, lint-free cloth. For stubborn dirt, slightly dampen the cloth with water or a mild, non-abrasive cleaner. Avoid using harsh chemicals or solvents.
- Storage: When not in use, store the headphones in a cool, dry place away from direct sunlight, extreme temperatures, and humidity. Utilize the foldable design to save space and protect them from damage.
- Cable Care: Handle the charging and AUX cables gently. Avoid sharp bends, kinks, or excessive pulling, which can damage the internal wires.
- Battery Care: To prolong battery life, avoid fully discharging the headphones frequently. Charge them regularly, even if not in constant use. Do not expose the battery to extreme heat or cold.
- Avoid Water Exposure: These headphones are not waterproof. Keep them away from liquids and moisture to prevent internal damage.
- Protect from Drops: Avoid dropping or subjecting the headphones to strong impacts, as this can damage internal components or the exterior.
10. Troubleshooting
If you encounter any issues with your Siindoo JH-919C headphones, refer to the following common problems and solutions:
- Headphones won't turn on:
- Ensure the headphones are charged. Connect them to a power source using the Type-C cable and try again after a few minutes.
- Press and hold the Power/EQ button for at least 5 seconds to ensure it's not just a short press.
- Cannot pair with Bluetooth device:
- Make sure the headphones are in pairing mode (LED indicator flashing).
- Ensure Bluetooth is enabled on your device and it's within 10 meters of the headphones.
- Forget "siindoo-H7" from your device's Bluetooth list and try pairing again.
- Restart both your headphones and your Bluetooth device.
- No sound or low volume:
- Check the volume levels on both the headphones and your connected device.
- Ensure the headphones are properly connected via Bluetooth or the AUX cable.
- If using Bluetooth, try disconnecting and reconnecting.
- If using the AUX cable, ensure it's fully inserted into both jacks.
- Test with a different audio source or device.
- Microphone not working:
- Ensure the headphones are properly connected and selected as the input device on your computer or smartphone.
- Check if the microphone is muted on your device or application.
- Test the microphone in a different application or with another device.
- RGB lights not working:
- Double press the Power/EQ button to toggle the lights on/off.
- Ensure the headphones have sufficient battery charge, as RGB lights consume power.
- Sound quality is poor:
- Try switching between the 3 EQ modes (Pop, Bass, Vocal) by short pressing the Power/EQ button.
- Ensure there are no obstructions or interference between the headphones and your Bluetooth device.
- Test with a high-quality audio file.
If the problem persists after trying these steps, please contact customer support for further assistance.
11. Warranty and Support
Your Siindoo JH-919C RGB Wireless Headphones are backed by the manufacturer's warranty and AliExpress's buyer protection policies.
- Free Returns: Enjoy 90-day free returns as per AliExpress policy.
- Delivery Guarantee: AliExpress offers a delivery guarantee, including a $1.00 coupon for late delivery, refunds for lost packages, and refunds for damaged items. Full refund if the item does not arrive within 60 days.
- Sustainable Seller: Siindoo Official Store is committed to sustainability practices.
- Security & Privacy: Your personal data is protected, and payments are secure.
For specific warranty claims, technical support, or further assistance, please contact the "siindoo Official Store" directly through the AliExpress platform. Ensure you have your order details and product information ready when contacting support.