... . Support lithium battery8. Charging time: about 2.5 hours9 Support system: Windows98/ME/2000/XP/VISTA or later10. Capacity ranges from ... ,09612,83212,1606,5284,35248,7599,752 Comatible of MP3 Operating SystemWindows Vista®Windows ReadyBoost™Windows XP (SP1, SP2)Windows 2000 ...