Product InformationResolution: 3840x2160Interface type: USB, HDMI, AV, optical fiber, video, all-in-one card reader slotHard disk type: built-in flash memoryOperating memory: 4GBOperating system: Android 9.0Number of cores: four coresVideo playback format: AVI, VOB, MPEG, WMV, MP4, MKVAudio playback format: MP3, WMA, WAV, OGG, AACVoice: EnglishProduct weight: 0.45 (KG)After-sales service: Three guarantees for shopsPacking list: host, remote control, power adapter, HDMI cable, manualSupported formats: MPEG4, AVI, VOB, RMVB, WMA, MKVSubtitle format: txt,ssa,SUB,ASSPlayer classification: network playerArchitecture type: A55Color: 2G+16G, 4G+32G, 4G+64GProduct specifications: European standard EU, American standard US, British standard UK, Australian standard AU