1. Introduction
Welcome to the user manual for your Redmi YJ-02 Smart AI Wireless Glasses. These innovative glasses combine stylish eyewear with advanced audio technology, featuring built-in wireless speakers, HD call capabilities, and Bluetooth music playback. Designed for versatility, they are suitable for various activities such as driving, hiking, and cycling, providing a comfortable and immersive audio experience while keeping you aware of your surroundings.

2. Important Safety Information
- Read all instructions carefully before using the product.
- Do not expose the device to extreme temperatures, direct sunlight, or high humidity.
- Avoid dropping or subjecting the glasses to strong impacts.
- Keep the device away from water and other liquids. If it gets wet, dry it thoroughly before use.
- Do not attempt to disassemble, repair, or modify the device yourself. Contact qualified service personnel for assistance.
- Use only the provided charging cable and adapter.
- Prolonged exposure to loud sounds may cause hearing damage. Adjust volume to a safe level.
- Be aware of your surroundings when using the glasses, especially in traffic or other potentially hazardous situations.
3. Package Contents
Please check the package for the following items:
- Redmi YJ-02 Smart AI Wireless Glasses
- Charging case
- USB Type-C Adapter
- User Manual (this document)
4. Product Overview
The Redmi YJ-02 Smart AI Wireless Glasses feature an ergonomically designed frame for comfort and stability. They integrate multi-functional buttons for easy control, a built-in Hi-Fi microphone for clear calls, and 120° Smart Directional Audio Capture for precise sound delivery.

4.1 Button Functions
The glasses are equipped with multi-functional buttons on the temples for easy control of various features:

- Power ON/OFF: Long-press for 5 seconds.
- Answer/End Call: Press once.
- Wake Voice Assistant (Siri/Google Assistant): Long-press for 1.5 seconds.
- Play/Pause Music: Press once.
- Next Track: Press the "Next Track" button once.
- Previous Track: Press the "Previous Track" button once.
- Volume Up: Long-press the Volume Up button.
- Volume Down: Long-press the Volume Down button.
5. Setup Guide
5.1 Initial Charging
Before first use, fully charge your Redmi YJ-02 Smart AI Wireless Glasses.
- Connect the provided USB Type-C adapter to the charging port on the glasses.
- Connect the other end of the USB cable to a compatible power source (e.g., wall adapter, computer USB port).
- The charging indicator light will show the charging status. Allow approximately 1-2 hours for a full charge.
- A full charge provides up to 4-5 hours of playback.
5.2 Bluetooth Pairing
To connect your glasses to a Bluetooth-enabled device (smartphone, tablet, etc.):
- Ensure the glasses are powered off.
- Long-press the Power ON/OFF button for 5 seconds until the indicator light flashes, indicating pairing mode.
- On your device, go to Bluetooth settings and enable Bluetooth.
- Search for available devices and select "Redmi YJ-02" (or similar name) from the list.
- Once connected, the indicator light on the glasses will change, usually to a slow flash or solid light, confirming successful pairing.
- The glasses use Bluetooth Version 5.3 for a swift and stable wireless connection.
6. Operating Instructions
6.1 Power On/Off
- To Power On: Long-press the Power button for 5 seconds.
- To Power Off: Long-press the Power button for 5 seconds.
6.2 Music Playback
- Play/Pause: Press the Play/Pause button once.
- Next Track: Press the "Next Track" button once.
- Previous Track: Press the "Previous Track" button once.
- Volume Up: Long-press the Volume Up button.
- Volume Down: Long-press the Volume Down button.
6.3 Call Management
- Answer Call: Press the Answer/End Call button once.
- End Call: Press the Answer/End Call button once during a call.
- Reject Call: Long-press the Answer/End Call button.
6.4 Voice Assistant
- Activate Voice Assistant (Siri/Google Assistant): Long-press the Voice Assistant button for 1.5 seconds.
6.5 Battery Widget
The glasses support a real-time battery display widget on your connected phone, allowing you to monitor the battery level conveniently.
7. Care and Maintenance
- Cleaning: Use a soft, dry cloth to clean the lenses and frame. Do not use abrasive cleaners or solvents.
- Storage: When not in use, store the glasses in their charging case to protect them from dust and scratches.
- Battery Care: To prolong battery life, avoid fully discharging the battery frequently. Charge the glasses regularly, even if not in use for extended periods.
- Water Resistance: The glasses are waterproof, but avoid submerging them in water for extended periods or exposing them to high-pressure water jets.
8. Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Glasses do not power on. | Low battery. | Charge the glasses fully using the provided USB Type-C adapter. |
| Cannot pair with device. | Glasses not in pairing mode; Bluetooth off on device; device too far. | Ensure glasses are in pairing mode (flashing indicator). Turn on Bluetooth on your device. Move device closer to glasses (within 10 meters). Forget previous pairings and try again. |
| No sound or poor audio quality. | Volume too low; glasses not connected; audio source issue. | Increase volume on glasses and connected device. Reconnect Bluetooth. Check audio source on your device. |
| Calls are unclear. | Microphone obstruction; poor signal. | Ensure the built-in microphone is not obstructed. Move to an area with better signal reception. |
9. Specifications
| Feature | Detail |
|---|---|
| Brand Name | Redmi |
| Model | YJ-02 |
| Material | ABS |
| Battery Capacity | 560 mAh |
| Battery Life (Playback) | Up to 5 hours |
| Bluetooth Version | 5.3 |
| Wireless Range | 80m-100m (Maximum) |
| Charging Method | Charging case, USB Type-C |
| Voice Assistant Built-in | Yes |
| Sound Isolating | Yes |
| Number Of Drivers | 2 |
| Headphone Pads Material | Silicone |
| Impedance Range | 33 to 100 Ω |
| Features | Waterproof, With microphone, Active Noise Cancelling |
| Waterproof | Yes |
| With Microphone | Yes |
| Active Noise-Cancellation | Yes |
| Volume Control | Yes |
| Support APP | Yes |
| Vocalism Principle | Dynamic |
| Connectors | Type C |
| Certification | CE, FCC |
| Dimensions (approx.) | Width: 15.8 cm (6.22 in), Height: 4.6 cm (1.8 in), Arm Length: 15 cm (5.9 in) |
| Weight | Approx. 35g |

10. User Tips
While no specific user reviews or Q&A were provided, here are some general tips for optimizing your experience with smart audio glasses:
- Situational Awareness: The open-ear design allows you to hear your surroundings. Always be mindful of traffic and other hazards, especially when listening to music or taking calls outdoors.
- Comfort Adjustment: The ergonomically designed frame aims for comfort. If you experience discomfort, try adjusting the fit slightly.
- Voice Assistant Use: Practice using the voice assistant feature in different environments to get comfortable with its activation and commands.
- Battery Monitoring: Utilize the real-time battery widget on your phone to avoid unexpected power loss during use.
11. Warranty and Support
Your Redmi YJ-02 Smart AI Wireless Glasses are covered by a standard manufacturer's warranty against defects in materials and workmanship. Please refer to the warranty card included in your package for specific terms and conditions, including the warranty period and claim procedures.
For technical support, troubleshooting assistance, or warranty claims, please contact the retailer or manufacturer's customer service. Contact information can typically be found on the product packaging or the official Redmi website.





