Tune into digital radio or enjoy your CD Collection with the Sony CMTS20B All-in-One Audio Compact Music System. The compact design means that you can add 10W of DAB or FM Radio to rooms of any size while USB (Universal Serial Bus) port means that you can play back digital music from a MP3 player or memory stick. The 2 x 5W speakers together with 1 of 5 Equalizers help reproduce your choice of music at superb quality.