... pink, blue, green, black, silver. Hot portable clip mp3 player with TF card inset w/ logo printing 1.Detailed Product Description Model# PY ... Basic ParameterCapacity: No built in flash memory , but support TF Card insetUSB Port: USB 2.0 Version, U-disk functionSystem available ... Windows ME, 2000, XP or above (except Win98)Battery: Rechargeable Lithium battery up to 4~6 hours 3.Main FunctionAudio format ...