This comprehensive 20IN1 electronic cleaning kit includes different size brushs, a screen cleaner cloth, air blower, spray, SIM card remover tool, bearing puller, keycap puller, flocking sponge, earphone brush, fitting extension rod, and so much more to keep all of your electronics clean and dust free. The brushes are designed to fit Type C charging speaker ports and other small openings on your phones, earphones, and other small devices.