... usb flash drive 3.material:metal,crystal 1/2/4/8/16/32/64GB Jewelry USB Flash Drive ... sec. Read 10-12MB/sec. and write2.5-4 MB/sec.Auto-run, Space partition, Password Protection ... 32GB, 64GB,128GB……Transfer Rate:Hi-Speed USB 2.0 CertifiedCompatibility:PC or Mac with a USB interface ... indicates power and working, read/writeShock Resistance:1000GWarranty:1 year. we will be responsible for repairing and ...