Young, fashion-conscious mobile phone users will delight in the Siemens AL21. It is the first phone in its segment to sport the up-to-the-minute slider function. Network GSM 900/1800/1900 Dimensions 86.8 x 45.8 x 19.2 mm Weight in g 78 SAR in W/kg Display Type TFT, 65K colors Display Size 130 x 130 pixels Touchscreen No Memory in MB 1.5 Card Slot Connectivity GPRS WAP inbuilt Handsfree Messaging SMS MMS EMS Audio poly Ringtone Applications Java Games others Standby/ Talktime 220/5h Office Applications Calendar Calculator