1. Introduction
This manual provides comprehensive instructions for the safe and effective use of your OhO sunshine Smart Glasses. Please read this manual thoroughly before operating the device and retain it for future reference.
The OhO sunshine Smart Glasses integrate audio playback, communication, and vision correction/protection features into a stylish eyewear design. They feature open-ear speakers, Bluetooth connectivity, and a built-in MP3 player with 128GB storage. The lenses are transitional, adapting from clear indoors to light grey outdoors, and offer blue light blocking and UV protection.
2. Safety Information
WARNING:
- Do not expose the device to extreme temperatures, direct sunlight for prolonged periods, or high humidity.
- Avoid dropping or subjecting the glasses to strong impacts.
- Do not attempt to disassemble or modify the device. This will void the warranty and may cause damage.
- Keep out of reach of children.
- Use only the provided charging cable.
- Do not wear the glasses while operating heavy machinery or driving if they obstruct your vision or distract you.
- Prolonged listening at high volumes may cause hearing damage. Adjust volume to a safe level.
3. Package Contents
Verify that all items are present in the package:
- 1 Pair of OhO sunshine Smart Glasses (Model: M31-128GB)
- 1 Charging Cable
- User Manual (this document)
4. Product Overview
Familiarize yourself with the components of your smart glasses:

Figure 4.1: OhO sunshine Smart Glasses showing the transitional lens feature.

Figure 4.2: Front view of the smart glasses, illustrating the open-ear stereo audio design.

Figure 4.3: Side view of the smart glasses, indicating the location of the integrated open-ear speaker.
Key Features:
- Open-Ear Speaker System: Allows audio listening while remaining aware of surroundings.
- Bluetooth 5.3 Connectivity: For wireless connection to smartphones and other devices.
- 128GB MP3 Player: Internal storage for music playback without a connected device.
- Transitional Lenses: Lenses change color from clear to light grey based on UV exposure.
- Blue Light Blocking: Reduces exposure to blue light from digital screens.
- 100% UV Protection: Shields eyes from harmful UVA/UVB rays.
- HD Microphone: For clear hands-free calls.
- Smart Assistant Voice Command: Compatible with Siri, Cortana, Google Now.
- Long Battery Life: Up to 7 hours of audio playback.
5. Setup
5.1 Initial Charging
Before first use, fully charge your OhO sunshine Smart Glasses.
- Connect the provided charging cable to the charging port on the glasses.
- Connect the other end of the cable to a USB power adapter (not included) or a computer's USB port.
- The indicator light will show charging status (refer to LED indicator section for details).
- Charging typically takes approximately 2 hours for a full charge.

Figure 5.1: Connecting the charging cable to the smart glasses.
5.2 Bluetooth Pairing
To connect your smart glasses to a smartphone or other Bluetooth-enabled device:
- Ensure the glasses are charged and powered off.
- Press and hold the power button until the indicator light flashes blue and red, indicating pairing mode.
- On your device, enable Bluetooth and search for available devices.
- Select "OhO sunshine Smart Glasses" (or similar name) from the list.
- Once connected, the indicator light on the glasses will turn solid blue or flash blue slowly.

Figure 5.2: Bluetooth pairing illustration, showing connection to mobile devices.
5.3 Loading MP3 Files (128GB Internal Storage)
The glasses feature 128GB of internal storage for MP3 playback without a connected device.
- Connect the glasses to your computer using the provided USB cable.
- The glasses will appear as a removable storage device (like a USB drive).
- Drag and drop your desired MP3 audio files into the glasses' storage folder.
- Safely eject the device from your computer before disconnecting the cable.
6. Operating Instructions
6.1 Power On/Off
- Power On: Press and hold the power button for 3 seconds. The indicator light will flash blue.
- Power Off: Press and hold the power button for 5 seconds. The indicator light will turn off.
6.2 Audio Playback (Bluetooth & MP3)
- Play/Pause: Short press the multi-function button.
- Volume Up: Short press the Volume Up button.
- Volume Down: Short press the Volume Down button.
- Next Track: Long press the Volume Up button.
- Previous Track: Long press the Volume Down button.
- Switch Mode (Bluetooth/MP3): Double-press the multi-function button to switch between Bluetooth audio and internal MP3 player.
6.3 Call Management
- Answer Call: Short press the multi-function button when a call comes in.
- End Call: Short press the multi-function button during a call.
- Reject Call: Long press the multi-function button when a call comes in.
- Redial Last Number: Double-press the multi-function button when not on a call.
6.4 Voice Assistant
Activate your smartphone's voice assistant (Siri, Google Now, Cortana) directly from the glasses.
- Activate Voice Assistant: Triple-press the multi-function button.

Figure 6.1: User interacting with smart assistant via voice command.
6.5 Lens Technology
The lenses are designed with advanced features for various environments:
- Transitional Technology: Lenses are clear indoors and automatically darken to light grey when exposed to sunlight (UV light). This provides adaptive shading.
- Blue Light Blocking: Filters harmful blue light emitted from digital screens, suitable for indoor use and reading.
- UV Protection: Offers 100% protection against UVA and UVB rays, ideal for outdoor activities.

Figure 6.2: Illustration of lens transition from indoor clear to outdoor grey.

Figure 6.3: User wearing smart glasses for indoor reading, benefiting from blue light blocking.
7. Maintenance
7.1 Cleaning
- Use a soft, lint-free cloth to clean the lenses and frame.
- For stubborn smudges, use a small amount of lens cleaning spray designed for eyewear.
- Do not use abrasive cleaners, alcohol, or harsh chemicals, as these can damage the lenses and frame.
7.2 Storage
- When not in use, store the glasses in their protective case to prevent scratches and damage.
- Avoid storing in areas with extreme temperatures or high humidity.
8. Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Glasses do not power on. | Low battery. | Charge the glasses fully. |
| Cannot pair via Bluetooth. | Glasses not in pairing mode; Bluetooth off on device; too far from device. | Ensure glasses are in pairing mode (flashing blue/red); enable Bluetooth on your device; move glasses closer to device (within 10 meters). |
| No sound from speakers. | Volume too low; not connected; wrong mode (Bluetooth/MP3). | Increase volume; ensure successful Bluetooth connection; double-press multi-function button to switch modes. |
| Lenses not transitioning. | Insufficient UV exposure. | Ensure exposure to direct sunlight. Transition may be less noticeable on cloudy days or indoors. |
| Poor call quality. | Weak Bluetooth connection; environmental noise. | Move closer to your connected device; try to use in a quieter environment. |
9. Specifications
| Feature | Detail |
|---|---|
| Model Number | M31-128GB |
| Bluetooth Version | 5.3 |
| Internal Storage | 128GB (for MP3) |
| Battery Life (Audio Playback) | Up to 7 hours |
| Lens Type | Transitional Blue Light Blocking, 100% UV Protection |
| Microphone | HD Microphone |
| Weight | 1.23 ounces (approx. 35 grams) |
| Dimensions (Package) | 6.97 x 3.11 x 2.64 inches |
| Manufacturer | OhO sunshine |
| Country of Origin | China |
10. Warranty and Support
OhO sunshine provides a standard warranty for this product. Please refer to the warranty card included in your package for specific terms and conditions, including warranty period and coverage details.
For technical support, troubleshooting assistance, or warranty claims, please contact OhO sunshine customer service through the following channels:
- Website: Visit the official OhO sunshine website for support resources and contact information.
- Email: Refer to your warranty card or product packaging for customer service email address.
- Amazon Seller Page: You can also reach out to the seller "OhOsunshine" via your Amazon order details page for support.
Please have your model number (M31-128GB) and purchase date ready when contacting support.