The Kube TK-103 USB Cube Style MP3 Digital Music Player w/2GB MicroSD card (Black) The Kube TK-103 USB Cube Style MP3 Digital Music Player General Features: Sleek black color Stylish cube design 2 GB MicroSD card included (supports up to 32 GB MicroSD card) USB mass storage device USB interface Ultra-portable design Built-in rechargeable Lithium Polymer battery Play-time up to 6 hours continuous Charging via the included USB cable