Guee COB-X Rear USB Rechargeable LED Bike Light

The winner of the 2016 TAIPEI CYCLE d&i Awards! GUEE Cob-X is a lightweight, rechargeable bicycle tail light. Thanks to the clever design, Cob-X is easy to mount vertically or horizontally on a wheelchair, a bicycle’s seat post, fork, handle bar, or saddle bag – all without using tools!The built-in, rechargeable battery can be fully charged in just 1 hour and 30 minutes through Micro-USB – ideal when your riding is more time critical!

Contrary to its size, the Cob-X provides high luminosity with two flashing modes and one constant mode (lights flash red). Under flash mode, the GUEE Cob-X safety light provides up to 36 hours of light per charge!


  • Bright and effective LED lights for improved safety.
  • 90 minutes fast charging provides up to 15 hours run time.
  • Can be mounted both horizontally & vertically.
  • Ideal for use on standard bike, recumbent bike, baby stroller, walking stick and many more.
  • Specification:

    • Lumen output: 25.
    • Modes: Burst / Flash / Strobe / Standard / High.
    • Battery: 3.7V Li-Polymer 260 mAh battery.
    • Charge time: 1 hour and 30 mins (approx).
    • Run time: 36 hrs (burst) / 32 hrs (flash) / 12.5 hrs (strobe) / 5 hrs (standard) / 2.5 hrs (high).
    • Includes: Cob-X LED bike light x 1, USB charge Cord x 1, User manual x 1.