Very comfortable , pleasant in touch, wireless next-generation keyboard with mouse. Very stylish keyboard design and modern shape of the mouse makes them easy match on the desk with other accessories. Letters and symbols are printed with the newest UV scratch resistant technology. High quality anti-electrostatic materials used during production defends electromagnetism interference. The set is compatible with notebook and desktop computers. TECHNICAL DATA Small USB receiver 2.4GHz technology, up to 10m range Mouse: High quality optical sensor 1000DPI 3 buttons Quiet scrolling wheel Powered by 2pcs of AAA batteries (not included) Keyboard: Product size: 446x150x26mm Powered by 1pcs of AA battery (not included) ENVIROMENT AND TEMEPRATURE Working temperature 0oC-40oC Working humidity : None Condensation at 20%~90% humidity SYSTEM REQUIREMENTS Support: Windows XP/Windows 7/Windows 8/Windows 10/MAC OS 8.6 or higher Support all language versions Requires a USB 2.0 port