This nano cleaning sponge is designed for precision cleaning of circuit boards, electronic screens, and delicate components. With its super absorbent material, it effectively removes dust, fingerprints, and grease from cellphone screens, laptop displays, and camera lenses. Its gentle texture ensures no damage to sensitive surfaces, making it ideal for both professional repairs and daily maintenance. Features -Color:White -Material:Sponge -Size:1.00X1.00X1.00 cm/0.39X0.39X0.39in -High nano absorption: the sponge for circuit board offers exceptional absorption, effectively removing dust from phone chips and circuit board gaps, enhancing device cooling efficiency -Gentle on surfaces: this cleaning sponge for electronics is safe for delicate screens and precision parts, ensuring thorough cleaning without causing scratches or damage -Dry and wet use: use the circuit board cleaner sponge dry to eliminate static dust or wet with cleaning liquid to tackle stubborn grime, meeting diverse cleaning needs -Fingerprint removal: the cellphone cleaning sponge easily wipes away fingerprints and grease, keeping screens crystal clear and improving touch sensitivity for daily use -Reusable and durable: this nano cleaning sponge is washable and regains its absorption power after cleaning, making it an ideal, tool for electronic maintenance Package list: 500 x sponges