Prepaid service Samsung Intensity SCH-U450 Verizon Smartphone with QWERTY Keyboard for Verizon Wireless Product: Samsung Intensity U450 Cell Phone Black Carrier: Verizon Modes: CDMA 850 / 1900 Form Factor: Bar Battery: Talk: 5 hours max. (300 minutes) - Standby: 300 hours max. (12.5 days)