... ConnectionUSB 2.0 high-speed, maximum speed up to 4MbpsMemoryBuilt in 2G flash memoryTechnical DescriptionMemory CardTF card,support up to 32 ... virtual screen16:9(at 2m distance)Battery3.7V (900mAh), built-in battery,Battery Duration:About4-5 hoursPower Consumption<0.9WConnect with ... Response20Hz-20KHzSNR>85dBAudio Playback Distortion0.03%Language Zh, En, De, It, Pt, NL, Fr, Es, PL, Ru,Tr,Da, Cs, Ja ...