1. Introduction
Thank you for choosing the ROCKBROS SP251 Cycling Bluetooth Sunglasses. These innovative sports eyewear combine polarized and photochromic lens technology with wireless Bluetooth audio capabilities, offering enhanced vision protection and seamless audio experience during your outdoor activities. This manual provides detailed instructions for setup, operation, and maintenance to ensure you get the most out of your new sunglasses.
2. Safety Information
⚠ WARNING: This product can expose you to chemicals including DEHP, which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.
- Always ensure a clear field of vision, especially when cycling or driving, and do not let audio interfere with your awareness of surroundings.
- Keep the magnetic charging interface dry to prevent damage.
- Do not attempt to disassemble or modify the product, as this may void the warranty and cause damage.
3. Package Contents
Please check the box for the following items:
- ROCKBROS SP251 Cycling Bluetooth Sunglasses
- Magnetic Suction Charging Cable
- Glasses Box
- Polarization Test Card
- User Manual (this document)
- Glasses Cloth
- Glasses Bag
- Myopia Frame (for prescription lenses, lenses not included)
4. Product Overview
The ROCKBROS SP251 sunglasses feature a multi-functional design with integrated Bluetooth audio and advanced lens technology.
4.1 Key Features
- Bluetooth V5.2: Stable and efficient wireless connection.
- Open Surround Sound: Dual-speaker design for immersive audio while maintaining environmental awareness.
- TAC Polarized Lenses: Effectively filter glare and reflected light for clear vision.
- Photochromic Lenses: Automatically adjust tint based on UV light intensity.
- TR-90 Frame: Tough and flexible frame material, adaptable to various face shapes.
- Magnetic Fast Charging: Convenient and quick charging.
- Multi-function Touch Control: Intuitive one-key operation for calls, music, and voice assistant.
- Adjustable Nose Pads: For customized comfort.
- Curved Temple Arms: Ergonomically designed to contour to ears, reducing pressure.
- Built-in Myopia Frame: Allows for insertion of prescription lenses (sold separately).
5. Setup and First Use
5.1 Charging the Sunglasses
- Locate the magnetic charging interface on the temple arm of the sunglasses.
- Connect the provided magnetic charging cable to the interface.
- Plug the USB end of the cable into a DC5V power source (e.g., computer USB port, USB wall adapter).
- The charging time is approximately 1.5 to 2 hours for a full charge.
5.2 Bluetooth Pairing
- Power On: Press and hold the touch point on the temple arm for 3 seconds until you hear a power-on prompt. The sunglasses will automatically enter pairing mode.
- Activate Bluetooth: On your mobile phone, go to Settings > Bluetooth and turn Bluetooth on.
- Select Device: In the list of available devices, select "SP251" to connect.
- Confirmation: Once connected, you will hear a confirmation sound, and the sunglasses will be ready for use.
5.3 Adjusting Fit
- Nose Pads: The nose pads are adjustable to provide a customized and comfortable fit without pressure. Gently adjust them to fit your nose bridge.
- Temple Arms: The ergonomically curved temple arms are designed to contour to your ears, ensuring a secure and comfortable fit during activity.
5.4 Myopia Frame Installation (Optional)
The sunglasses include a built-in frame for myopia lenses. If you require prescription correction, consult an optician to have appropriate lenses fitted into the myopia frame. It is recommended for myopia within 400 degrees and astigmatism within 200 degrees.
6. Operating Instructions
The sunglasses feature a single touch point on the temple arm for all controls.
6.1 Power Control
- Power On: Press and hold the touch point for 3 seconds.
- Shutdown: Press and hold the touch point for 5 seconds.
6.2 Call Management
- Answer/Hang Up Call: Double-click the touch point.
- Reject Call: Press and hold the touch point for more than 1.5 seconds.
6.3 Music Playback
- Play/Pause: Double-click the touch point.
- Next Song: Three-click the touch point.
6.4 Voice Assistant / Siri
- Wake Up Voice Assistant/Siri: Four-click the touch point.
7. Maintenance and Care
- Cleaning Lenses: Use the provided glasses cloth to gently wipe the lenses. For stubborn smudges, use a specialized lens cleaning spray. Avoid using abrasive materials or harsh chemicals.
- Cleaning Frame: Wipe the frame with a soft, damp cloth.
- Storage: When not in use, store the sunglasses in the provided glasses box or bag to protect them from scratches and dust.
- Avoid Extreme Temperatures: Do not expose the sunglasses to extremely high or low temperatures, as this can damage the battery and electronic components.
- Water Resistance: The sunglasses are designed for outdoor sports but are not fully waterproof. Avoid submerging them in water.
8. Troubleshooting
- Cannot Power On: Ensure the sunglasses are fully charged. Press and hold the touch point for 3 seconds.
- Cannot Connect via Bluetooth:
- Ensure the sunglasses are powered on and in pairing mode.
- Turn off and on Bluetooth on your mobile device.
- Ensure the sunglasses are within 10 meters of your device.
- Clear previous Bluetooth connections on your phone and try pairing again.
- No Sound:
- Check the volume level on both your phone and the sunglasses.
- Ensure the sunglasses are properly connected to your phone via Bluetooth.
- Verify that the audio is playing through the sunglasses and not another device.
- Touch Controls Unresponsive: Ensure your finger is making proper contact with the touch point. If the issue persists, try restarting the sunglasses.
9. Specifications
| Feature | Specification |
|---|---|
| Model Number | SP251 |
| Type | MTB Bike Sunglasses |
| Gender | Unisex |
| Frame Material | TR-90 |
| Lenses Material | TAC (Polarized) |
| Lens Width | 155mm |
| Lens Height | 60mm |
| Bluetooth Version | V5.2 |
| Bluetooth Protocol | A2DP, AVRCP, HFP, HSP, SPP, GATT, HOGP, PBAP |
| Audio Decoding | SBC, AAC |
| Bluetooth Distance | <10m |
| Battery Capacity | 120mAh |
| Music Duration (100% volume) | Approx. 5.5-6 hours |
| Standby Time | Approx. 60 hours |
| Talk Time (100% volume) | Approx. 5 hours |
| Charging Time | Approx. 1.5-2 hours |
| Charging Input | DC5V |
| Product Function | Bluetooth audio, voice calls, sun protection, wind and sand proof |
| Applicable Occasions | Cycling, driving, fishing, daily wear |
| Product Weight | Approx. 43g |
| Product Warranty | 180 days |
10. User Tips
- Optimal Audio: For the best open-ear audio experience, ensure the temple arms are positioned correctly over your ears.
- Voice Assistant: Practice the four-click gesture for the voice assistant to ensure quick and accurate activation while on the go.
- Myopia Frame: If using the myopia frame, ensure your prescription lenses are securely fitted by a professional to prevent them from falling out during activity.
- Polarization Test: Use the included polarization test card to verify the effectiveness of the TAC polarized lenses.
11. Warranty and Support
The ROCKBROS SP251 Cycling Bluetooth Sunglasses come with a 180-day product warranty from the date of purchase. This warranty covers manufacturing defects and malfunctions under normal use. It does not cover damage caused by misuse, accidents, unauthorized modifications, or normal wear and tear.
For warranty claims or technical support, please contact the retailer or ROCKBROS customer service with your proof of purchase.
