One AAA battery = 50 hours of playback. That's no fake equation going on here; it's the plain and simple facts as far as the MSI MS-5552 MP3 Player is concerned. Among other things it also complies with Bluetooth Class II specifications. Housed in a sleek, compact design with high-quality aluminum alloy body, it features intuitive touch panels and easy-to-use controls. It has been ergonomically designed to fit naturally in the hands thus offering one-hand navigation.

The other hand obviously goes into the pocket to bring out the wallet to pay for this player. How much does the MSI MS-5552 MP3 Player cost? At this point of time, Sorry don't know!
Via - Fareastgizmos