This MP3 Player is crafted for you, especially keeping in mind your taste for style. This music player is very convenient to carry around as it can be clipped to shirt, jacket, or even a purse strap. This Music Player can use TF Card Reader Format supported MP3 audio format. etc .Operation System WINDOWS 98/2000/XP,etc . Battery is Built-in and is rechargeable ( Li-ion battery,) Directly connect with PC via USB cable for re-charging. Charging time is about 2 to 3 hours. You can charge by connecting it with the USB cable to the PC. It is available in various colors like green/black/pink/silver/blue/orange/purple/red. (No color Choice Available, will be send randomly) Free gift details: M. S. Dhoni Signature Reebok backpack (Limited edition).It is suitable for school,short trips or overnight journey.This bag comes in attractive color combination.