Support all audio and video formats With standard li-ion replaceable Build in 2GB memory and TF card expansion Lightweight design only 90g Low carbon energy saving only 3W Long lamp life over 30000 hours Excellence of mini projector Mini projector specifications introduction: Technology: LCoS Native Resolution: 320 x 240 supported 1280*720pixels Brightness: up to 10 lumens Contrast Ratio: 200:1 Autoswitch: 4:3 Screen Size(diagonal): 5.0inch-50inch Screen distance: 0.2 to 3.0 m Color: Full color Light source: White LED projector LED projector lamp life time more than 30000 Hours E-book Support:TXT Image format: JPG BMP GIF PNG TIFF PCX ICO Audio format: MP3 WAV WMA RA FLAC APE OGG AMR AAC Movie format: AVI MP4 3GP FLV MPE MPG MPEG RM RMVB,DAT,VOB,WMV Input: Mini USB2.0 port, TF card read port Output: Built in HiFi speaker, earphone port(also AV output) mini projector support Language: Chinese, English, Deutsch, Italiano,Korean,Spanish,French,Arabic,japanese Memory: Built in 2G & TF card expansion Accessories: USB cale,AV cable,Power adaptor, Tripod, Earphone, User manual Packed (WxDxH):100 x 80 x 160 mm Unpacked:104 x 57 x 16 mm. Mini projector unit weight (packed): 0.425 kg Unpacked (without accessories): 0.089 kg Gross weight/ctn: 9.2kg (20pcs/ctn)ctn size: 34.0 x 18. X 22 cm.