1. Product Overview
The CUGUU XG-88 Smart Glasses Earphone combines stylish anti-blue light sunglasses with integrated wireless Bluetooth audio technology. Designed for comfort and convenience, these glasses feature dual speakers, touch controls, and voice assistant support, providing a seamless audio experience while protecting your eyes.

Key Features:
- Open Auditory Experience: Enjoy audio without blocking ambient sounds.
- High-Definition Stereo Sound: Dual speakers deliver clear and immersive audio.
- Bluetooth 5.3 Connectivity: Ensures stable connection, lower power consumption, and longer standby time.
- Anti-Blu-ray Lenses: Protect your eyes from harmful blue light.
- IPX5 Waterproof: Resistant to rain and sweat, suitable for various activities.
- Touch Control & Voice Assistant: Easy management of calls, music, and voice commands.
- Lightweight and Comfortable: Designed for extended wear without discomfort.
- Long Battery Life: Up to 5 hours of music/communication, 120 hours standby.
2. Setup and Initial Use
2.1 Charging the Device
Before first use, fully charge your XG-88 Smart Glasses.
- Locate the Type-C charging port on the glasses' temple.
- Connect the provided Type-C charging cable to the glasses and a compatible 5V USB power adapter (not included).
- The charging indicator light will illuminate. Once fully charged (approximately 2 hours), the indicator light will change or turn off.

2.2 Bluetooth Pairing
The XG-88 glasses feature automatic Bluetooth pairing for easy connection.
- Ensure the glasses are charged and powered on.
- On your smartphone or Bluetooth-enabled device, go to the Bluetooth settings.
- Search for available devices. The glasses should appear as "XG-88" or a similar name.
- Select "XG-88" to connect. Once paired, the glasses will automatically connect to this device when in range and powered on.

3. Operating Instructions
3.1 Power On/Off
- Power On: Press and hold the power button (usually located on one of the temples) for a few seconds until you hear a power-on prompt or see an indicator light.
- Power Off: Press and hold the power button again for a few seconds until you hear a power-off prompt or the indicator light turns off.
3.2 Touch Controls
The XG-88 glasses feature intelligent touch controls for various functions. Specific gestures may vary, but common functions include:
- Play/Pause Music: Single tap on the touch area.
- Answer/End Call: Single tap on the touch area during an incoming call.
- Reject Call: Press and hold the touch area during an incoming call.
- Next Track: Double tap on the right temple.
- Previous Track: Double tap on the left temple.
- Activate Voice Assistant: Triple tap on the touch area (e.g., "Hey Siri~").

3.3 Voice Assistant
The integrated voice assistant allows for hands-free control.
- Activation: Use the designated touch gesture (e.g., triple tap) to wake up the voice assistant.
- Commands: Once activated, you can issue commands such as "Call [Contact Name]", "Play [Song Title]", "What's the weather?", or "Get directions to [Location]".
3.4 Audio Experience
The semi-open design and dual speakers provide a unique audio experience.
- HIFI Stereo: Enjoy high-quality audio with full bass and loud treble.
- Directional Sound Transmission: Pulse DT3.0 technology ensures adaptive directional sound, minimizing sound leakage while providing clear audio to the user.

4. Maintenance and Care
4.1 Cleaning
- Use a soft, lint-free cloth to clean the lenses and frame.
- For stubborn smudges, lightly dampen the cloth with water or a lens cleaning solution.
- Avoid using harsh chemicals or abrasive materials, as they can damage the lenses and frame.
4.2 Water Resistance
The XG-88 glasses are IPX5 rated, meaning they are protected against low-pressure water jets from any direction. This makes them resistant to rain and sweat.
- Do not submerge the glasses in water.
- Avoid exposing them to high-pressure water streams.
- If the glasses get wet, wipe them dry with a clean cloth before charging or storing.

4.3 Storage
- Store the glasses in a protective case when not in use to prevent scratches and damage.
- Keep them away from extreme temperatures and direct sunlight.
5. Troubleshooting
5.1 Cannot Power On
- Ensure the glasses are fully charged. Connect them to the charger and wait for at least 15 minutes before attempting to power on again.
5.2 Cannot Pair via Bluetooth
- Make sure Bluetooth is enabled on your device and the glasses are in pairing mode (usually indicated by a flashing light).
- Ensure the glasses are within 10 meters of your device.
- Turn off and on the Bluetooth on your device, then try searching again.
- If previously paired, try forgetting the device on your phone and re-pairing.
5.3 No Sound or Low Volume
- Check the volume levels on both the glasses (if adjustable) and your connected device.
- Ensure the glasses are properly connected via Bluetooth.
- Try disconnecting and reconnecting the Bluetooth.
5.4 Touch Controls Not Responding
- Ensure the touch area is clean and dry.
- Restart the glasses and try again.
- Make sure you are using the correct gestures as described in the operating instructions.
6. Specifications
| Feature | Specification |
|---|---|
| Brand Name | CUGUU |
| Model | XG-88 |
| Material | Plastic |
| Bluetooth Version | 5.3 |
| Communication | Wireless (Bluetooth) |
| Wireless Type | Bluetooth |
| Transmission Distance | Barrier-free 10 meters |
| Waterproof Rating | IPX5 |
| With Microphone | Yes |
| Active Noise-Cancellation | No |
| Voice Assistant Built-in | Yes (via touch control) |
| Control Button | Yes (Touch Control) |
| Volume Control | No (typically controlled via connected device) |
| Earcups Type | Semi-open |
| Number Of Drivers | 1 per side |
| Vocalism Principle | Other |
| Impedance Range | up to 32 Ω |
| Resistance | 32 Ω |
| Sensitivity | 98 dB |
| Charging Method | Cable (Type-C) |
| Input Voltage | 5V |
| Battery Capacity | 80MAH * 2 (160mAh total) |
| Charging Time | Approx. 2 hours |
| Music Playback Time | Approx. 4-5 hours |
| Communication Time | Approx. 5 hours |
| Standby Time | Approx. 120 hours (5 days) |
| Dimensions (Approx.) | Length: 165mm (6.49in), Width: 150mm (5.90in), Lens Height: 45mm (1.77in), Overall Height: 48mm (1.89in) |
| Package List | 1 * Bluetooth glasses, 1 * Charging cable, 1 * Instruction manual |

7. Warranty and Support
7.1 Warranty Information
This product is typically covered by a manufacturer's warranty against defects in materials and workmanship. Please refer to your purchase documentation or contact the seller for specific warranty terms and duration. AliExpress offers free returns within 90 days for eligible purchases.
7.2 Customer Support
For technical assistance, troubleshooting, or warranty claims, please contact the seller or the manufacturer's customer support. Ensure you have your purchase details readily available.
- Fast Delivery: Expect timely delivery. A $1.00 coupon code may be provided if delivery is delayed.
- Refund Policy: Refunds are available if the package is lost, items are damaged, or if there is no delivery within 30 days.
- Security & Privacy: Your personal details are protected and not shared with third parties without consent.