Material:ABS + Silicone + PC Specification:Keyboard- 29X14X27cm; Mouse- 10X6X3.8cm How to use:Put one AA battery respectively in keyboard and mouse. Take out the receiver from the mouse, plug in Computer USB port. Then you can use both mouse and keyboard. Caution:Part of the keyboard's function can't work with IOS system. ( F5 - F8 no function ). Please do not disassemble it at will. No bump or crash. Protect from water. Fashionable multimedia USB Set.Mini and portable. Compatible with Windows2000/ME/XP/(X-64)/Vista7/8/10/Mac OS X(above V10.4). One USB receiver for both mouse and keyboard. Convenient to use. Brand MINISO SKU 100282113_NP-1020541564