Details:

•  Compact LED bicycle lamp with USB charging.
•  StVZO approved
•  Light output: 10 lumen red LED
•  Housing surface with "soft touch" rubber coating 
•  Integrated lithium polymer battery with built-in USB charging plug
•  Charge level/low battery indicator
• Burn time: 3,5h 
•  Tool-free attachment
•  100% waterproof
•  Weight: 30g