... /FCC Function DescriptionLCD display2* LCD display.Equivalent Resolution480*240(WQVGA)Video formatdisplay movies, photos, e-book,support MPEG, AVI, RM, ... -320KbpsFrequency Response20Hz-20KHzSNR>85dBAudio Playback Distortion0.03%Language Zh, En, De, It, Pt, NL, Fr, Es, PL, Ru,Tr,Da, Cs ... x d185Working temperature-5°C - 50°CCertificateCE/RoHS/FCC protable digital video glasses Mobile Theatre VG320