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We offer a 14-day hassle-free return and exchange policy starting from the date you receive your item. To be eligible, products must be unworn, unused, with tags attached, in original packaging, and accompanied by proof of purchase. If the item is defective, damaged, or incorrect, we cover the return shipping cost; for size or personal preference returns, the customer is responsible for shipping fees. Please inspect your order within 72 hours and contact us for any issues.Have a 14-day no-questions-asked return right. Refunds will be processed within 10 business days after we receive and inspect your return. Please contact customer service before returning items and send returns to the designated address; unauthorized returns will not be accepted. For questions, email service@rockbrossport.co.uk
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Stay safe while cycling with ROCKBROS Q3 Smart Bike Rear Light. This USB charging light is waterproof and has a bright red brake light to signal to others. With 4 fixed and flashing modes, you'll stay visible on the road. Get this professional-grade light for your next bike ride.

4 LIGHTING MODES
The smart taillight features 4 operating modes for cycling needs. A constant lighting mode, a breathing mode, 2 flashing modes (slow flash and fast flash), the lights are all red.
AUTOMATIC ON AND OFF
With a brake indication system, the taillight will turn on low-light roads and turn off on well-lit roads. It will light up when vibrations are detected. In addition, it will be turned on at high intensity when braking to warn pedestrians and vehicles.
USB RECHARGEABLE
The battery capacity is 300 mAh. Fast and easy charging with USB. Depending on the mode of operation of the taillight, the duration is from 12 to 30 hours. We designed an indicator that flashes when the battery is low.
WATER AND DUST RESISTANT
Waterproof IPX 6. The light body is made of aluminum alloy and plastic, the light is anti-wear, durable and fall resistant.
EASY TO INSTALL
It has 2 very practical installation modes. You can mount the light under the saddle or on the seat post. Simple installation without the need for tools.


Package Includes
| Brand | ROCKBROS |
| Material | Aluminum + Plastic |
| Weight | Approx. 33 g (including saddle bracket) |
| Size | Approx. 30x34x34 mm |
| Battery | 3.7V 300mAh |
| Charging port | Type-C |
| Mode | 4 light modes |
| Waterproof | IPX6 |


Stay safe while cycling with ROCKBROS Q3 Smart Bike Rear Light. This USB charging light is waterproof and has a bright red brake light to signal to others. With 4 fixed and flashing modes, you'll stay visible on the road. Get this professional-grade light for your next bike ride.

4 LIGHTING MODES
The smart taillight features 4 operating modes for cycling needs. A constant lighting mode, a breathing mode, 2 flashing modes (slow flash and fast flash), the lights are all red.
AUTOMATIC ON AND OFF
With a brake indication system, the taillight will turn on low-light roads and turn off on well-lit roads. It will light up when vibrations are detected. In addition, it will be turned on at high intensity when braking to warn pedestrians and vehicles.
USB RECHARGEABLE
The battery capacity is 300 mAh. Fast and easy charging with USB. Depending on the mode of operation of the taillight, the duration is from 12 to 30 hours. We designed an indicator that flashes when the battery is low.
WATER AND DUST RESISTANT
Waterproof IPX 6. The light body is made of aluminum alloy and plastic, the light is anti-wear, durable and fall resistant.
EASY TO INSTALL
It has 2 very practical installation modes. You can mount the light under the saddle or on the seat post. Simple installation without the need for tools.


Package Includes
| Brand | ROCKBROS |
| Material | Aluminum + Plastic |
| Weight | Approx. 33 g (including saddle bracket) |
| Size | Approx. 30x34x34 mm |
| Battery | 3.7V 300mAh |
| Charging port | Type-C |
| Mode | 4 light modes |
| Waterproof | IPX6 |

