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[email protected] skype:sale-wealth 1. Swivel usb flash drive standard: The category: swivel usb flash drive 1, capacity: 64 MB or 128 MB or 256 MB / 512 MB / 1 gb / 2 gb / 4 gb / 8 gb / 16 gb / 32 gb / 64 gb is optional. 2, the USB interface: high-speed USB2.0. 3, repeatable wipe more than 1 million times, the data save time: up to 10 years. 4, USB removable storage disk, without driver, ...