Performance characteristics 1. Capacity: 64M/128M/512M/1GB/2GB/4GB/8GB/16GB/32GB/64G/128G optional. 2. USB interface: High-speed USB2.0, ultra-fast USB 3.0, support hot plug, plug and play. 3. Data read speed: 17MB/S or more (related to computer configuration) (usb2.0) 4. Data write speed: 3.5MB/S or more (related to computer configuration) (usb2.0) Application Environment 1. Temperature: -10 ° C ~ +55 ° C. 2. Storage temperature: 20 ° C ~ +55 ° C. 3. Relative humidity: 20% ~ 90% (40 ° C). System Requirements 1. Hardware: PC, notebook, smartphone, MAC, server, etc. 2. System: Windows 98/SE/ME/2000/XP, Linux 2.4.x, Mac OS 9.2 or newer. 3. Driver installation: Only Windows 98 needs to install the driver disk, others do not need it. Gift U disk features 1. The original Toshiba / Magnesium / SanDisk / Samsung and other A-class quality high-speed FLASH chip, stable and reliable performance. 2. No external power supply required. Large capacity for a variety of operating platforms, plug and play, hot swappable. 3. Electronic storage media, no mechanical parts, shockproof. Moisture proof and electromagnetic interference. 4. Long service life and safe data retention for up to 10 years. 5. Using USB2.0 interface, the writing speed is ≥4MB/s, the reading speed is ≥17MB/s, the reading and writing speed is fast, and the storage speed is about 30 times that of the floppy disk. 6. Support software encryption, dual-disk function, automatic play advertising, add drive letter, do not delete advertisement files, etc. 7. Capacity can be customized: 64MB--128GB 8. Can be printed corporate LOGO, personalized graphics, to map free customization. 9. Support packaging customization: a variety of carton / PP box, gift box / tinplate / small white box / blister packaging / OPP bag packaging. 10. Stylish and creative appearance, diverse styles, can be worn with necklaces, key chains, lanyards, etc., stylish and portable, easy to carry.