Features: 78 keys keyboard,with mini size,easy to carry.With multimediafunctional key (pressing Fn+F1-F12), very convenient for work and entertainment use. Reliable 2.4GHz wireless transmission technology provides continuous and stable signal transmission, can reduce signal interference and dropped frames. Lightweight chocolate independent key cap, surface micro-arc shape, more fit the finger pulp radian, comfortable to click. Ergonomic Design,the palm and finger naturally fit the mouse, comfortable feel, moderate key rebound strength, soft touch. Plug and Play,the USB receiver can connect keyboard and mouse simultaneously, no driver required, plug and play, more convenient to use. Specification: Model: KM901 Color:Black Key Number: 78Key Work Style: 2.4G wireless keyboard Voltage: 3V Current: 1.5mA Item Size: 28.5*12.5*2.8cm/11.2*4.9*1.1in(keyboard) 11.5*6*3.3cm/4.5*2.4*1.3in(mouse) Item Weight: 221.5g/7.8oz(keyboard) 56.4g/2loz(mouse) Package Size: 36*13.3*3.3cm/14.2*5.2*1.3in Package Weight: 356.5g/12.6oz Package List: 1 * Keyboard 1 * Mouse 1 * USB receiver