... player Mp3MP4 player,FM radio 1.8 inch digital music player,support tf card 2G4G8G16G for option 1.8 inch 6th mp4 player FM ,Mp3MP4 ... 40mm Physical weight 39grams Speed Read>700kbs, write>500kbs USB 2.0 Power supply Embedded 420mAh Li-polymer Battery Power duration ... English package, mp3 player, (charger for option),usb cable 1.8 inch digital music player,support tf card