... :LRC, ID3 Tag searching, searching by folders, Album, self-definition audio effect Video Formats support: MPEG 1/2/4, MIPG, H263 /, H264 ... and can be connected with printer ect OTG accessories: usb cable, headphone, charger and manual USB: USB2.0 HOST: HOST1. ... Charging: small type charging port,DC9V input Earphone/Video: 3.5mm earphone+composite video output Key Button: Touchable Button: HOME, MENU, ...