Introduction
The Siindoo JH-822Plus AI Wireless Headphones are an innovative audio device combining high-quality sound with advanced artificial intelligence features. These headphones feature a detachable full-color touch screen that provides access to various functions, including music control, alarms, and remote photography. Equipped with AI language translation, an AI assistant, and smart chat capabilities, they are designed to enhance communication and productivity in diverse environments. The comfortable, foldable design ensures portability and extended wear.

Package Contents
Please check the box for the following items:
- 1 x Siindoo JH-822Plus AI Headphone
- 1 x Siindoo LCD Screen (detachable)
- 1 x 0.5m Type-C Charging Cable
- 1 x 1.2m AUX Cable
- 1 x Storage Pack
- 1 x User Manual (available in UK/ES/RU/PT/FR/DE/JP/IT languages)

Setup
Initial Headset and Screen Connection
- Long press the power button on both the headset and the detachable screen simultaneously to power them on.
- If the headset and screen are not connected successfully (indicated by a red icon on the screen), you will need to restart both the headset and the screen.
- Upon successful connection, the icon on the screen will turn white.
Bluetooth Pairing with Your Phone
- Ensure your phone's Bluetooth is enabled.
- On your phone, search for Bluetooth devices and select "siindoo-822plus" to connect.
- After a successful Bluetooth connection, the icon on the headset screen will turn green.
NebulaBuds App Installation and Connection
- Scan the QR code displayed on the headset screen or search for "NebulaBuds" in your phone's app store (e.g., App Store for iOS, Google Play Store for Android) and download the application.
- After installation, open the NebulaBuds app.
- Within the app, follow the prompts to connect the device. This typically involves confirming Bluetooth connection and device connection.
- Grant the app necessary permissions, such as microphone access, to enable features like real-time speech recognition, simultaneous interpreting, and face-to-face translation.
- Once the app connection is successful, the connection indicator on the headset screen will turn blue and green.

Video: Siindoo JH-822 PLUS AI Headset Operation Guide, demonstrating pairing, app connection, and AI wallpaper features.
Operating Instructions
Headset Button Functions

- EQ Mode Switch / Voice Assistant Button: Press to cycle through EQ modes or activate your device's voice assistant.
- Volume Up / Next Song Button: Press to increase volume; long press to skip to the next song.
- Volume Down / Previous Song Button: Press to decrease volume; long press to go to the previous song.
- Power ON/OFF / Music Play/Pause Button: Long press to power on/off; short press to play/pause music or answer/end calls.
- Status Indicator: Provides visual feedback on connection and power status.
- Port Jack 3.5 mm: For wired audio connection using the AUX cable.
- Type-C Charging Port: For charging the headset.
LCD Touch Screen Functions
The detachable full-color LCD touch screen offers a wide range of functionalities:

- Local Music Playback: Play music stored on the headset's internal 1GB memory.
- Alarm Clock: Set and manage alarms directly from the screen.
- Chronograph & Timer: Utilize stopwatch and countdown timer functions.
- Enable Photography: Remotely control your phone's camera to take photos.
- Calculator: Access a basic calculator.
- NebulaBuds APP QR Code: Scan to quickly download the companion app.
- System Menu: Access settings, reboot, power off, and other system options.
- Counter: A simple counting tool.
- Game: Play mini-games for leisure.
- Calendar: View date and time.
- Mode Selection: Choose different operational modes.
- Flashlight: Activate a small light function.
- Equalizer: Select from 6 preset sound modes (Normal, Pop, Rock, Jazz, Folk) or customize your own.
- AI Translation: Access simultaneous interpretation features when connected to the NebulaBuds app.
Artificial Intelligence Features

- AI Simultaneous Interpretation: Translate speech content between 169 languages and accents in real-time with 98% accuracy and a 1-second response time. Supports binaural and face-to-face translation modes.
- AI Assistant/Voice Dialogue: Interact with an AI assistant for information and tasks.
- Smart Chat: Engage in intelligent conversations to gain knowledge and generate images.
- AI Wallpaper Text to Image: Generate custom images based on text descriptions and set them as screen wallpapers.
- Meeting Recording: Record meetings and potentially transcribe them (functionality may vary with app updates).


Maintenance
- Cleaning: Use a soft, dry cloth to clean the headphones and screen. Avoid using harsh chemicals or abrasive materials.
- Storage: When not in use, store the headphones in the provided storage pack to protect them from dust and damage.
- Charging: Always use the provided Type-C charging cable. Avoid charging in extreme temperatures.
- Screen Care: The detachable screen is magnetic. Handle with care to avoid scratches or damage.
Troubleshooting
- Headset and Screen Not Connecting: If the connection icon on the screen is red, long press the power buttons on both the headset and the screen to restart them.
- Bluetooth Pairing Issues: Ensure your phone's Bluetooth is on and the headset is powered on. Go to your phone's Bluetooth settings and select "siindoo-822plus". If it doesn't appear, try restarting both devices.
- NebulaBuds App Connection Problems: Verify that Bluetooth is successfully paired. Ensure the NebulaBuds app has been granted all necessary permissions, especially microphone access. Close and reopen the app if issues persist.
- Translation Not Working: Confirm the headset is connected to the NebulaBuds app and that you have a stable internet connection for real-time translation features. Check language settings in the app.
- No Sound/Poor Sound Quality: Check the volume levels on both the headset and your connected device. Ensure the headphones are properly seated on your ears. If using the AUX cable, ensure it is fully plugged in. Experiment with different EQ modes.
- Screen Unresponsive: Try restarting the headset and screen by long-pressing their respective power buttons.
Specifications
| Feature | Specification |
|---|---|
| Brand Name | Siindoo |
| Model | JH-822Plus |
| Material | Leather, ABS, Silica Gel |
| Weight | 480g |
| Bluetooth Version | V5.4 |
| Wireless Range | <10m |
| Headphone Battery Capacity | 400 mAh |
| LCD Screen Battery Capacity | 200 mAh |
| Charging Method | Type-C cable |
| Charging Time | Approx. 2-2.5 hours |
| Standby Time | Approx. 300 hours |
| Music Play Time (BT+ANC) | Approx. 45 hours (at 70% volume) |
| Speaker Driver Units | Φ40mm |
| Impedance | 32Ω±10% |
| Sensitivity | 105dB±3dB |
| Frequency Response Range | 20 - 20000Hz |
| Max Output | 45mW |
| Total Harmonic Distortion | 5% |
| Sound Isolating | Yes |
| Active Noise-Cancellation | No |
| With Microphone | Yes |
| Volume Control | Yes |
| Control Button | Yes |
| Vocalism Principle | Dynamic |
| Wireless Type | Bluetooth |
| Communication | Wireless+Wired |
| Headphone Pads Material | Memory Foam |
| Magnet Type | Neodymium |
| Line Length (AUX cable) | 1.2m |
| Certifications | CE, FCC, WEEE |
| Origin | Mainland China |
| Internal Memory | 1GB (for music storage) |
| LCD Screen Languages | 18 languages |
| AI Translation Languages | 169 languages & accents |
User Tips
- App Updates: Regularly check for updates to the NebulaBuds app to ensure optimal performance, new features, and improved translation accuracy.
- EQ Customization: Experiment with the different EQ modes (Normal, Pop, Rock, Jazz, Folk) or create a custom profile to find the sound that best suits your music preferences.
- Personalize Your Screen: Utilize the AI wallpaper feature to generate unique images from text descriptions and personalize your headphone screen.
- Stable Connection for Translation: For critical or complex translations, ensure you have a stable internet connection to leverage the full power of the AI language translator.
- Comfort Adjustment: Take advantage of the adjustable headband and soft memory foam earcups to find the most comfortable fit for long listening sessions.
Warranty and Support
For warranty information, technical support, or service inquiries, please refer to the specific warranty card included in your package or contact the manufacturer/seller directly. Keep your proof of purchase for any warranty claims.