... -t receiver 2.24 months warranty 4 in 1 portable 3.5" ISDB-T TV+MP5+T-flash card reader ... AVI, WMV, RM, FLV, 3GP, ASF video format. - 3.5"True color LCD display; - Support MP3, WMA, OGG. APE. ... ; - Support T-flash card reader; - Support USB 2.0; - Support firmware upgrade,auto shutdown* Input Frequency:(UHF)450- ... * Battery work time:3 hours. 4 in 1 portable 3.5" ISDB-T TV+MP5+T-flash card reader/ ...