This UGREEN wireless mouse offers 4000 DPI precision with a quiet 40dB click, perfect for both laptops and desktop PCs. Featuring 2.4G wireless connectivity via USB receiver, it supports ambidextrous use with five buttons and an optical roller for smooth operation. Please note, batteries are not included. Certified by CE, FCC, and RoHS, this reliable and ergonomic mouse combines performance and comfort for everyday computing needs. Packaged and ready to enhance your workspace.