1.2.4G Wireless Keyboard&Mouse 2.Mini USB interface, the charging voltage:DC 5V ... for operation.Product Features:•Tiny in size, powerful in function •2.4G Wireless Keyboard & Mouse (Left button, Right button and Middle button) & ... IPTV, SmartTV, PCTV, HTPC, Projector, etc. Ideal for entertainment, conference, lecture, presentation etc.1.1 2.4G wireless technology transmission, longest distance ...