Blackberry 7105t pda phone with bluetooth for t-mobile\n\nkey features:\ntype: pda / cell phone \ninstalled memory: 4 mb \ndisplay: 16-bit (64k colors) color\n\ntechnical features:\ninput method: microphone qwerty keyboard with backlit \ninterface type: usb bluetooth \npda special features: vibration notification led notification gsm cellular phone speakerphone gprs \nsecurity features: security password keyboard lock \n\nbattery:\nbattery type: proprietary lithium \nstandby time: 192 hours \n\ndimensions:\nwidth: 2.28 in. \ndepth: .75 in.