1. Introducció
The XOSS XR Pro Smart Team Sync Taillight is an advanced bicycle rear light designed for enhanced cycling safety and group riding experience. It features intelligent sensing capabilities, including brake detection, light detection, and vibration-based auto on/off, along with a unique team synchronization function. Constructed with a durable aluminum alloy shell and rated IPX6 waterproof, this taillight is built for various outdoor conditions.

Image 1.1: XOSS XR Pro Smart Team Sync Taillight highlighting its key features: Team Sync, Light Sensor, Brake Sensor, and Auto Sleep.
2. Contingut del paquet
Marqueu la casella per als elements següents:
- XOSS XR Pro Taillight Unit
- Saddle Mounting Bracket
- Seat Post Mounting Bracket
- Zip Ties (for mounting)
- Rubber O-rings (for mounting)
- Cable de càrrega USB tipus C

Image 2.1: All components included in the XOSS XR Pro Taillight package.
3. Especificacions
| Característica | Detall |
|---|---|
| Model | XR PRO |
| Dimensió | 30 mm x 34 mm x 34 mm |
| Pes | About 28g (mount not included) |
| Material del cos | Aliatge d'alumini |
| Nivell impermeable | IPX6 |
| Port de càrrega | Tipus-C |
| Temps de càrrega | Aproximadament 1 hora |
| Durada de la bateria | About 31-90 hours (in Medium and low brightness mode) |
| Temps d'espera | Uns 3 mesos |
| Bateria | 3.7 V/300 mAh |
| Temperatura de treball | -10~60 °C |
| Detecció intel·ligent | Yes (Brake, Light, Vibration) |
| Suport de regulador d'intensitat | 2-4 Files (Brightness settings) |
| Certificació | CE |

Image 3.1: Visual representation of the XOSS XR Pro Taillight specifications.

Image 3.2: Comparison of features between XR01 and XR PRO Smart Taillights.
4. Configuració i instal·lació
The XOSS XR Pro Taillight offers two primary mounting options:
- Saddle Mounting: Attach the saddle mounting bracket to the rails under your bicycle seat. Secure the taillight to this bracket.
- Seat Post Mounting: Use the seat post mounting bracket with the provided rubber O-rings or zip ties to secure the taillight to your bicycle's seat post.
Ensure the taillight is firmly attached and facing directly backward for optimal visibility.

Image 4.1: Visual guide for saddle and seat post mounting options.
5. Funcionament
5.1 Encès/Apagat
To power on the taillight, press and hold the button until the light illuminates. To power off, press and hold the button again until the light turns off.
5.2 Mode Switching and Brightness Adjustment
The taillight features 4 modes and 3 brightness settings:
- Canvi de mode: Click the button to cycle through the available modes: Standard, Flash, Breathing, and Strobe.
- Ajust de brillantor: When the light is OFF, long press the button to toggle between Low, Medium, and High brightness settings.

Image 5.1: Demonstration of the four lighting modes.
5.3 Funcions intel·ligents
- Team Synchronized Flashing: Double-click the button to activate synchronized flashing with other XOSS XR Pro taillights within 50 meters. This feature is recommended for use with team members who have the same taillight model.
- Smart Brake Detection: The taillight will automatically highlight for 3 seconds when braking is detected, providing an extra layer of safety.
- Smart Light Detection: The taillight automatically turns on or off based on the surrounding light conditions, conserving battery and ensuring visibility when needed.
- Vibration Detection / Auto Turn On/Off: The light will automatically turn off after 30 seconds of no motion and will turn back on when vibration is detected, optimizing battery usage.

Image 5.2: Team Synchronized Flashing in action.

Image 5.3: Smart Brake Detection highlighting the light during braking.

Image 5.4: Smart Light Detection automatically adjusting to ambient light.

Image 5.5: Vibration Detection for automatic power management.
6. Càrrega
The XOSS XR Pro Taillight is equipped with a Type-C charging port for convenient and fast charging.
- Connect the provided USB Type-C cable to the taillight's charging port and to a standard USB power source (e.g., computer, wall adapter).
- Una càrrega completa triga aproximadament 1 hora.
- The battery life ranges from 31 to 90 hours depending on the selected mode and brightness setting.

Image 6.1: Type-C charging in progress.
7. Manteniment
- Neteja: Wipe the taillight with a soft, damp drap per eliminar la brutícia i els residus. Eviteu utilitzar productes químics o materials abrasius.
- Emmagatzematge: Store the taillight in a cool, dry place when not in use. Avoid prolonged exposure to direct sunlight or extreme temperatures.
- Cura de la bateria: For optimal battery longevity, avoid fully discharging the battery frequently. Charge the device regularly, even if not in constant use.
- Impermeable: The device is IPX6 waterproof, meaning it is protected against high-pressure water jets from any direction. However, it is not designed for submersion. Ensure the charging port cover is securely closed before riding in wet conditions.

Image 7.1: The durable aluminum alloy shell and IPX6 waterproof design of the taillight.
8. Solució De Problemes
- La llum no s'encén:
- Ensure the battery is charged. Connect the taillight to a power source using the Type-C cable.
- Check if the power button is being pressed correctly (long press for on/off).
- Smart features (brake/light/vibration detection) not working:
- Ensure the taillight is mounted securely and is not obstructed.
- For light detection, ensure the sensor is not covered.
- For vibration detection, ensure the bike is in motion.
- Team Sync not working:
- Ensure all taillights are XOSS XR Pro models.
- Verify all taillights are within 50 meters of each other.
- Double-click the button on each taillight to initiate synchronization.
9. Consells d'usuari
- The XOSS XR Pro Taillight is primarily designed as a rear visibility indicator for cycling, enhancing safety on the road.
- It is suitable for various cycling scenarios where a reliable and smart tail light is needed.
- For optimal team synchronization, ensure all riders in your group are using the same XOSS XR Pro taillight model.
10. Garantia i Suport
For warranty information or technical support, please refer to the official XOSS weblloc web o poseu-vos en contacte amb el vostre distribuïdor. Conserveu el comprovant de compra per a qualsevol reclamació de garantia.





