Promotions e-book: 1) System running speed: fast 2) Lifelong maintains 3) Fast delivery 4) Multi languages Promotions ebook reader: Main features: ItemDescriptionSystem and interfaceCPUAK8802 300MHZInterfaceMini USBData transmissionUSB 2.0Multi-ThreadSupportMemory Capacities64MB DDRHard drive1GB or abovememoryMediumNandFlashCapacity2G (1GB/4GB/8GB optional)Expended memoryTF,up to 8GBFile ...