Display typelcd languagessimplified chinese english whats in the box1 x earphone 1 x mp3 player 1 x usb cable audio recordingvoice memory capacity8gb expansion slotmicro sd card expansion capacity8gb display resolution400x240 battery typerechargeable li ion battery control typebutton external hard drive connection typeusb compatible operating systemswindows0307vista headphones jack35mm stereo jack additional featuresplaylists supported supported audio formatmp3