The extra long battery life is really remarkable. It can playback up to 50 hours with full charged Li-on battery. Moreover, the battery is super quick charge. With a 3-minute charge, it allows 3 hours of playback!

Other specfications are as follow:

• Supported format: MP3/ATRAC3/ATRAC3plus
• Display: 3-Line EL (Organic Electroluminescence) Display
• Dimension: 84.9×16.1×29.1mm
• Weight: 47g

{ via iMP3.net (Simplified Chinese) }