【Wide Application】The 5 in 1 Keyboard Cleaning Brush is a multifunctional cleaning tool, it widely apply to wireless earbuds ,bluetooth headphones,phone charger port hole ,phone speaker,cameras,mechanical keyboards,smart watch etc. | 【Easy to Use】Push the cleaning pen’s switch to expose PEN NIP to clean stubborn dust in deep crevices.Set the switch to COTTON BUD side to clean charging case.Using Key Puller to remove caps ,clean keyboards with Nylon brush. | 【Efficient and Practical】Regularly using this multi-functional cleaning kit to clean earphones, we will have a better mood to enjoy music, watch movies, and communicate with our family. A clean keyboard will also make us more efficient and excellent. | 【Portable and Durable】This Keyboard Cleaner is made of ABS plastic, Silica gel material, sponge,metal and Nylon.It wights approximately 0.1lb,the size is 5.9in*2.9in*1.4in. It’s durable and easy to carry. | 【Worry-free After-sale Service】One-year warranty. Customer service responds within 24 hours. If you encounter any problems during use the AHERO’s products, please feel free to contact us,we will try our best to provide free guidance services.