Excerpt: The Coby MP768 is an affordable flash MP3 player with a thin, elegant design. It is available in three different storage capacities. You can purchase a 4GB, 7GB or 16GB player depending on your budget and the size of your music collection. The player weighs under a pound and measures just under 4 inches long and fewer than 2 inches wide. It offers a built-in rechargeable lithium polymer battery, and you will get a 12-hour battery life.