Multifunctional 3-in-1 cleaning pen including pen tip, hairbrush, and flocked sponge. The pen tip cleans stubborn dust, the hairbrush cleans the headphone jack, and the flocked sponge cleans the Bluetooth headphone case. The Bluetooth headphone cleaning pen is made of ABS + stainless steel + flocking, measuring 4 x 0.5 x 0.5 inches and weighing 0.35 ounces, similar to a pen, making it easy to use daily. How to use: Open the package and open the cleaning pen. To use the flocked sponge tip, push and pull it forward, then push and slide it back into the middle slot to use the brush. Ideal gift: This multifunctional cleaning set pen for Bluetooth headphone cases, phones, and headphones makes an ideal gift for people who regularly listen to music, helping to keep their electronic devices cleaner. Easy to carry and store, use anytime, anywhere, and promote a healthy lifestyle.