Multi-function Cleaning Kit: 3 in 1 cleaner kit with Flocking Sponge, Soft Brush and metal Pen Tip, it is super easy to clean the dust or stubborn dirt, Make your headphones like new | Simple and Convenient Design:Cleaning pen make with smooth up&down button, when you want to switch clean tool, just push gently the button to clean your devices | Wide Application: It's not just a cleaning pen for headphone, it can also clean your phone, camera, ect. If you have a lots of devices, this portable cleaning pen will be your good partner | Portable and Slight: Pocket size cleaning pen, easy to carry and don't tack up space. Weight: 0.4 oz; Length: 3.95 in; Diameter: 0.53 in | Efficient and Handy Cleaning Solution for Headphones: Hyashee cleaner kit is compact and portable, fitting perfectly into pocket or bag, making it convenient for travel or daily use. The kit completely clean the crevices of the case and headphones themself