... HDMI port, 1xmini usb port, 1x3.4MM earphone jack, 1x power adaptor portbuttons: Power on/off, Back, Menu, HomeWIFI IEEE 802.11b/gUSB external ... ,WAV ,Frequency response: 20Hz to 20000HzPackaging details:1xcolor box, 1x usb cable, 1x earphone, 1x power adaptor, AC adapter AC100-240V ... 50-60Hz 9V 1.5A Product size: (W*D*H): 193*123*13mm , Net weight: 0.38KGColor box size ...