... 2* LCD display.Equivalent 2) Resolution:320*240(WQVGA) 3) Video format:display movies, photos, e-book,support MPEG ... TF card 2) Viewing Size:52inches virtual screen 4:3 (at 2m distance) 3) Battery:3.7V (780mAh), built-in battery 4 ... 85dB 13) Audio Playback Distortion:0.03% 14) Language:Zh, En, De, It, Pt, NL, Fr, Es, PL, Ru ... 's manual,AC adaptor 0 52 inch eyewear virtual 4:3 screen glasses 32 GB TF card