Why MRK 4 USB

Built To Simplify Your Drive

Designed for traditional 12V lighter sockets with dual USB charging and integrated electronic heating.



White dual-USB car charger plugged into a vehicle console power socket
Our Philosophy

We believe practical design makes everyday driving easier. without extra accessories.

Close-up of a gray car gear shift with a colorful gear pattern overlay on the dashboard console

Key Features

  • Fixed-in-place design
  • Approx. 10-second heat-up
  • Over-current protection
  • Over-heat protection
  • Short-circuit protection
  • Long-life heating element
  • Designed for traditional 12V cigarette-lighter sockets

Practical design. Everyday convenience. Built for modern driving.