8GB MicroSDHC Memory Card for Plum Sync 4.0b/X400 Smartphone with Free USB MicroSD/SDHC Card Reader - 8 G/GB/GIG 8G 8GIG Compatible With: Plum Sync 4.0b/X400 Capacity & Type: 8GB MicroSDHC Specifications: Complies with SD Association's Specifications Certifications: CE/FCC/RoHS Warranty: 5 Year Manufacturer's