Project Spec Basic Spec Item No X580 Dimension 103.2mm* 52.8mm* 13.6mm weight 100g Battery type 850mAh Standby time It depends on environment and network condition External memory T-Flash Card Max to 1GB Band GSM900( 850) / DCS1800/ PCS1900 GPRS class12 Color Blue Black Main LCD Size and matrix 2.2' ' / 2.0' ' 176* 220 Color 260K QVGA Build-in camera Pixel 1.3 Megapixel DV function Up to the memory Camrea 3/ 5 cont shoot Enlarge times 4 times digital focus Audio function Audio player Support MPEG4/ 3GP files Vidio function Ring Support MP3 rings Player support MP3 Midi files Radio function FM Support FM radio Network connecting USB Yes GPRS Yes Bluetooth Yes Others Input Zi input Language support Chinese , English and others. E-books Support txt file