Customizable Silicone Bracelet USB Flash Drive - 3.0 Speed. High-Speed USB 3.0 Performance: Read speed up to 500MB/s and write speed up to 300MB/s for efficient data transfer. AES-256 Chip Encryption: Built-in independent encryption chip with offline key storage for maximum data security. Universal Compatibility: Pre-formatted FAT32/exFAT/NTFS supports plug-and-play on Windows, macOS, and Linux systems. Customizable Design: Full customization available including shape, color, logo, and packaging based on client designs. Dual-Mode Firmware Support: Embedded UEFI+Legacy BIOS module ensures boot capability on old devices and special area devices. Rigorous Quality Testing: 100% inspection including H2/H5 aging tests and formatting checks before shipment. Flexible Capacity Options: Available in 1GB to 1TB capacities with custom options to meet specific storage needs.