Product features: 2.4G wireless transmission technology, energy saving, built-in storage, no password required, intelligent connection. 15M wireless receiving distance Super strong anti-interference ability Default 1200dpi, maximum 1600dpi Find the mouse device through the computer, you can set the dpi speed. Quiet design, quiet and elegant office wireless mouse High resolution: up to 1600 DPI high resolution, smooth movement plus one button Desktop function quickly returns to the desktop 250Hz high-speed return chip, faster data transmission, cursor positioning, fast and comfortable grip, stylish appearance, hidden design bottom USB interface. System Requirements: Windows 98 / Me / 2000 / XP / Vista / Win 7 / Win8 / 10/Vista Mac OS or the latest version. Ergonomic Optical Mouse Buttons: 2 buttons and 1 round (medium lamb) and one-touch desktop keys (only support windows system. Specifications: Material: ABS Color: Gray Button Life: 5 million times Silent Design Wireless Distance: 15m