The iStick Pico, just like its name, is preferable, innovative, compact and outstanding (PICO). With a compact size, you can hold it in the palm, much more convenient for usage and portability. Powered by single interchangeable 18650 cell, the iStick Pico also provides you with 75W maximum output and switchable VW/Bypass/TC-Ni/TC-Ti/TCR modes.