Only used a couple of times. CD playback – Enjoy your favorite CDs or personally recorded CD-R and CD-RW discs, including those with MP3 files. Bluetooth audio streaming – Enjoy convenient Bluetooth connectivity with compatible devices and stream audio without wires. USB recording and playback – Easily record an entire CD, or your favorite tracks from a CD, in MP3 format, onto a flashdrive using the CD Sync feature. With a Bluetooth 2.1 interface and NFC (near-field communication) technology, this Sony ZSRS60BT boombox allows you to stream music from your compatible audio device. A top-loading CD player enables you to play back disc media. Mega Bass Stereo Sound. The speakers in the ZSRS60BT are housed imn a bass-reflex design, delivering an enjoyable listening experience. MEGA BASS boosts the circuitry which enhances the low-frequency bass performance at the touch of a button.