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: 0.4oz; Length: 3.95in; Diameter: 0.53in After-sale Service: Provides free replacement or full refund within 12 months, please contact us at the first time for any problems, we will solve for you within 24 hours.