5-in-1 computer cleaning kit contains a variety of accessories with dual head hidden design. The nylon bristles, flocking sponge, high-density brush and metal pen tip will clean your keyboard or laptop screen. The keycap puller can be used to clean and remove any sticky keys on your keyboard. Soft Brush Does Not Hurt Keyboard: Our brush provides a cushion of nylon bristles with moderate softness and hardness. They are three-row design and have a high pore strength for elasticity, stiffness, and compactness. This ensures they dont cause damage to keyboards while still saving you time. The multifunctional cleaning kit comes with a flocking sponge which can be used to clean the dust on your wireless charger or earphone, as well as a high-density brush which can pick up any dirt around the sound holes. Additionally, there is also a metal pen tip for tougher dirt With the simple key puller, the change of key caps is made very easy. They also help with cleaning and more thorough removal of old cap, making it perfect for keyboards with many keys. This multifunctional vacuum cleaner can clean all kinds of things: 4 different cleaning heads, a one-of-a-kind tool,even have skills to clean keyboards and earphones. From LEGO to dust, its everywhere you look.