Sony Ericsson Z500a / Z502a Dimensions: 3.66 x 1.93 x 0.94 inches (93 x 49 x 24 mm); Weight: 3.88 oz (110 g)the average is 4.8 oz (137 g); Design features: Exchangable faceplates, Numeric keypad; Resolution: 128 x 160 pixels; Technology: STN; Colors: 65 536; Additional di...