The Topeak Soundlite USB front light offers an intensity of up to 70 lumens thanks to its 3 LED lights, an innovative system that emits up to 4 different sounds with an intensity ranging from 75 to 97 decibels to warn pedestrians, cyclists, and motorcyclists. It operates with a lithium battery that recharges via a Micro-USB port.

Features:
- Bulb: 3 high-intensity LEDs
- Light intensity: 70 lumens at 5 meters
- Battery: 3.7 V 600mAh Lithium Ion (included)
- Includes auditory sensor with 4 sound modes from 75 to 97 decibels
- Rechargeable via Micro-USB port
- Charge duration: 4-5 hours
- Runtime: 4 hours in constant mode and 30 hours in intermittent mode
- Compatible with handlebars from 25.4 to 33 mm in diameter
- Weight: 58 g
- Dimensions: 8.4x4.1x5.3 cm