yueton?Pen Shape Double Ended Retractable Adjustable Button Cleaning Brush Mini Handheld Portable Magic Brush Cleaner Dusting Brush Unique pen shape double ended retractable brush Material: plastic cover+soft nylon brush+PP brush Portable mini size: 1.5*11.5cm(Dia*L) Adjustable button switch to control the brush Pack of 1. Great cleaning accessory for car air outlet, air condition, keyboard, fan, blind window, etc