XOSS XRPRO

XOSS XR PRO Smart Bike Tail Light User Manual

Model: XRPRO

1. Introduction

Thank you for choosing the XOSS XR PRO Smart Bike Tail Light. This manual provides detailed instructions for the proper use, installation, and maintenance of your new tail light. Please read this manual thoroughly before using the product to ensure optimal performance and safety.

XOSS XR PRO Smart Bike Tail Light

Image: The XOSS XR PRO Smart Bike Tail Light, a compact black unit with a bright red circular LED array, designed for rear visibility on bicycles.

2. Key Features

  • Smart Brake Sensor & Auto On/Off: Automatically detects braking and illuminates brightly for 3 seconds. Turns off after 30 seconds of inactivity and reactivates upon vibration.
  • USB-C Rechargeable Battery: Equipped with a 300mAh Type-C rechargeable Lithium Battery, offering extended use (18-36 hours in low mode, 12-24 hours in medium, 8-16 hours in high) after a full charge.
  • Easy Installation & Versatile Mounting: Features two mounting options: under the saddle with a metal bracket or to the seat post with an adjustable silicone strap.
  • IPX6 Waterproof & Durable Construction: Designed with IPX6 water resistance and robust materials for reliable performance in various weather conditions.
  • Multiple Lighting Modes: Offers 4 lighting modes with brightness control (Low, Medium, High).

3. Package Contents

Before proceeding with installation, please verify that all items are present in the package:

Contents of XOSS XR PRO package

Image: The contents of the XOSS XR PRO package, including the tail light unit, USB-C charging cable, saddle mounting bracket, seat post strap, and zip ties.

  • XOSS XR PRO Smart Bike Tail Light Unit
  • USB-C Charging Cable
  • Saddle Mounting Bracket
  • Adjustable Silicone Strap for Seat Post Mounting
  • Zip Ties (for saddle mount)

4. Setup and Installation

4.1 Charging the Device

Before first use, fully charge the XOSS XR PRO tail light. Connect the provided USB-C cable to the charging port on the device and the other end to a USB power source (e.g., computer, wall adapter, power bank). The indicator light will show charging status and turn off when fully charged.

XOSS XR PRO charging via USB-C

Image: The XOSS XR PRO tail light connected to a laptop via its USB-C charging cable, illustrating the charging process.

4.2 Mounting Options

The XOSS XR PRO offers two primary mounting methods:

4.2.1 Saddle Mounting

  1. Attach the metal saddle mounting bracket to the rails under your bicycle saddle using the provided zip ties. Ensure it is securely fastened and does not interfere with saddle adjustment.
  2. Slide the XOSS XR PRO tail light onto the bracket until it clicks into place.
Saddle mounting of XOSS XR PRO

Image: A bicycle with the XOSS XR PRO tail light mounted securely under the saddle, demonstrating the saddle mounting option.

4.2.2 Seat Post Mounting

  1. Wrap the adjustable silicone strap around your bicycle's seat post.
  2. Secure the XOSS XR PRO tail light to the strap, ensuring it is positioned vertically and facing directly backward. Adjust the strap for a snug fit.
Seat post mounting of XOSS XR PRO

Image: The XOSS XR PRO tail light mounted on a bicycle's seat post using the silicone strap, showing the seat post mounting option.

5. Operating Instructions

5.1 Power On/Off

  • Manual On/Off: Press and hold the power button for 2 seconds to turn the light on or off.
  • Smart Auto On/Off: The light will automatically turn on when riding vibration is detected and turn off after 30 seconds of motionlessness. It also features smart light sensing, turning off in bright environments and on in dim conditions.
Vibration sensing auto turn on/off feature

Image: Two images side-by-side showing a bicycle seat post with the tail light. The left image shows the light off when motionless, and the right image shows the light on when vibration is detected, illustrating the auto on/off feature.

Smart light sensing auto on/off

Image: A cyclist riding at night with the XOSS XR PRO tail light illuminated, demonstrating the smart light sensing auto on/off feature in a dim environment.

5.2 Switching Lighting Modes

With the light on, short press the power button to cycle through the available lighting modes:

  • Normally On
  • Breathing Flash
  • Fast Flash
  • Slow Flash
Four lighting modes of XOSS XR PRO

Image: Four distinct images showing the XOSS XR PRO tail light in different modes: Normally On, Breathing Flash, Fast Flash, and Slow Flash, illustrating the various lighting patterns.

5.3 Adjusting Brightness

When the light is off, long press the button to adjust the brightness level: Low, Medium, High. The selected brightness will be applied when the light is turned on.

5.4 Smart Brake Sensing

The integrated smart brake sensor will detect deceleration and automatically increase the light's brightness to a highlight for 3 seconds, providing a clear warning to following riders or vehicles.

Smart brake sensing feature

Image: A cyclist on a bike with the XOSS XR PRO tail light showing an elongated red light trail, indicating the bright highlight activated during brake sensing.

5.5 Team Synchronized Flashing (If applicable)

If you have multiple XOSS XR PRO lights, you can enable synchronized flashing. Double click the button to activate synchronized flashing with other compatible devices within a maximum available distance of 50 meters.

Team synchronized flashing feature

Image: A group of cyclists riding at night, with their XOSS XR PRO tail lights flashing in synchronization, demonstrating the team sync feature.

6. Maintenance

  • Cleaning: Wipe the light with a soft, damp cloth. Do not use abrasive cleaners or solvents.
  • Charging: Recharge the battery regularly, especially if the light will not be used for an extended period, to maintain battery health.
  • Storage: Store the light in a cool, dry place away from direct sunlight when not in use.
  • Water Resistance: While IPX6 waterproof, avoid prolonged submersion in water. Ensure the USB-C port cover is securely closed before exposure to water.
IPX6 Waterproof feature

Image: The XOSS XR PRO tail light mounted on a bicycle seat post, with water droplets visible on its surface, illustrating its IPX6 waterproof rating.

7. Troubleshooting

ProblemPossible CauseSolution
Light does not turn on.Battery is depleted.Charge the light fully using the USB-C cable.
Light turns off unexpectedly.Auto-off feature activated (no motion for 30s).Resume riding; the light should reactivate. Ensure the light is not in a very bright environment if auto-off by light sensing is suspected.
Brake sensing not working.Light not mounted securely or positioned incorrectly.Ensure the light is firmly mounted and oriented vertically. Test with clear braking actions.
Cannot switch modes/brightness.Incorrect button press duration.Short press to change modes when ON. Long press when OFF to adjust brightness.

8. Specifications

FeatureDetail
ModelXR PRO
BrandXOSS
ColorBlack
MaterialSilicone, Metal
Power SourceBattery Powered (USB-C Rechargeable)
Battery Capacity300mAh Lithium Battery
Water Resistance LevelIPX6 Waterproof
Mounting TypeSeat Mount, Seat Post Mount
Number of Settings4 Lighting Modes + Brightness Control
Auto Part PositionRear
Item Weight3.52 ounces
Country of OriginChina

9. Warranty and Support

For warranty information and technical support, please refer to the official XOSS website or contact their customer service directly. Keep your purchase receipt as proof of purchase.

XOSS Official Store: Visit the XOSS Store on Amazon

© 2024 XOSS. All rights reserved.

Manual Version: 1.0

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