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. Portable and Slight: Pocket size cleaning kit, easy to carry and don't tack up space. Weight: 2.99oz; Length: 4.72in; Width: 2.67in; Height: 1.49in. Wide Application: It's not just a cleaning pen for headphone, it can also clean your phone, tablet, laptop, keyboard, camera. If you have a lots of devices, this portable cleaning kit will be your good partner. Simple and Convenient Design: Aijeff all-in-one design cleaner kit. It is very convenient for you to switch cleaning tools, make cleaning headphones, phones, tablets, laptop, camera easier and more fun. Multi-function Cleaning Kit: 8 in 1 cleaner kit with flocking sponge, soft brush and silicone pen tip,keycap remover, cleaning cloth and spray bottle(not include liquid), it is super easy to clean the dust or stubborn dirt, helps to freshen your device up.