a description Power supply: Rechargeable Colour: multicolour Material: ResinSize:40x13cm/15.7x5.1inRECHARGEABLE WIRELESS MOUSE & KB COMBO Rechargeable 2.4G Wireless Colorful light 2.4G WIRELESS CHARGEABLE COMBO FN+F1=Player FN+F7=Play/pause FN+F2=Vol- FN+F8=Next track FN+F3=Vol+ FN+F9= E-mail FN+F4=Mute FN+F10=Home FN+F5=Stop playing FN+F6= Previous track FN+F11=My computer FN+F12= Calculator