4GB MicroSDHC Memory Card for (TracFone) SCH-R451C by Samsung 4 GB G GIG 4G 4GIG High Capacity MicroSD Micro SD HC + Free Cell Phone Antenna Capacity/Type: 4GB High Speed MicroSDHC Memory Card Meets current SDA 2.0 specifications 5 Year Warranty Includes Full Size SD ADAPTER FREE GIFT for your cell phone - CellPhone/PDA Antenna Booster - Generation X