This MP3 Player is a great way to enjoy your favourite music on the go. It features a sleek black design and is easy to use. This MP3 player features a USB 2.0 interface, supports MP3 music format, and has a flash disk function. The MP8310 also comes with a built-in rechargeable battery for hours of listening enjoyment. The MP3 player is designed for use as a portable listening device. Plug the charger into the MP3 player's USB port and then into your computer or wall socket to charge the player. The charger is included with the MP3 player.