Features: High-efficiency cleaning: The NC800 sponge adopts advanced nanotechnology and can easily remove oil dirt and fingerprint from the back of mobile phone screens, PCB motherboards and cameras, ensuring no residues . multiple -functional application: It is not only suitable for mobile phone screens but also can clean the surfaces of various electronic devices, such as computer monitors and camera lens, meeting a wide ranges of cleaning needs. Safe and harmless: The material is environmentally friendly and frees of substance components, which will not cause damage to the equipment. It is more reassuring to use and allows users to clean various precisions equipment with peace . Convenient to use: easy carry design, easy to carry, and can be cleaned anytimes and anywhere. It is particularly suitable for daily use and carrying during travel. Specifications: Material: Sponge + Metal Box size: about 107x56x166mm Package Includes: 1 set Electronics Cleaner with Tweezer note: Please allow 1 to 3cm error due to manual measurement, please make sure you not mind before you bid, Due to the differences between different monitors, the picture may not reflect the actual colorful of the item.