... RMVB, FLV, WMV, 3PG, MP4, MKV, MOVAudio format: MP3, WMA, WAV, APE, FLAC, AAC, AC3, OGG Power ... supply: Built-in 2100mAH Lithium Battery (Lasts up to 80 minutes)Power consumption: 6WLanguages: English, Traditional ... memory, supports TF / micro SD up to 8GBErgonomic design with touch buttonsRechargeable battery for mobile ... do I access the internal memory? First go to the menu system, then plug in the mini ...