CK0228L Features 2.4GHz wireless mouse Operating distance of up to 10 meters No installation software or drivers required: plug and play Ergonomic design Easily scroll in any direction Adjustable DPI With this mouse， you can conveniently surf the internet or play games Foldable design for ease of carrying General Specs Type 2.4GHz wireless mouse Buttons 4 Operating Distance 10 m Battery 2 x AAA batteries Interface USB2.0 Compatibility Laptops and desktop PCs System Required Windows and MAC OS