【Dual-Mode Wireless Connectivity 】Enjoy stable, interference-free connection via 2.4GHz USB receiver or Bluetooth 3.0/5.2, compatible with laptops, tablets, and PCs. 【 Adjustable DPI Precision】 Switch between 800, 1200, and 1600 DPI settings for optimal cursor speed and control in work, browsing, or creative tasks. 【 Quiet Click Technology 】Silent buttons rated for 30 million clicks provide a noiseless, focused environment ideal for offices, libraries, or shared spaces. 【Ergonomic Comfort 】Contoured shape (108 x 63 x 39 mm) naturally fits your palm, reducing strain during long hours of use. 【 Intelligent Power Saving 】 Efficient energy management extends battery life, powered by just one Philips AA battery (included). 【 Ultra-Light & Portable 】Weighs only about 62g for effortless handling and easy carry-on for travel or commuting. 【 Plug-and-Play Simplicity 】No complicated setup; insert the receiver or pair via Bluetooth for instant use.