Features: 1.Self Protection: The USB3.0 U disk has self protection, 0 track protection, automatic antivirus, and long service life. 2.Excellent Performance: The U disk is shockproof, moistureproof, resistant to high and low temperatures, and antielectromagnetic interference. 3.Protective Cover: The insert end is equipped with a protective cover, which can protect the USB flash drive well, and the USB flash drive can also be used as a whistle. 4.Characteristic: This USB flash drive is compact in appearance, easy to carry, streamlined appearance, raised face design, simple and fashionable. 5.Plug and Play: There is no need to install driver inside an enclosure, just plug and play, and easy to operate and use. specification:Item Type: USB3.0 U Disk Material: Zinc Alloy Whistle Volume Decibel: Above 120dB Speed: USB3.0 Status: Write Speed: 40MB/s, Read Speed: 60MB/s (Related to Computer Configuration) Interface: USB Interface, No Driver Required, Plug and Play, Hot Swappable Boot: Support USB ZIP/HDD Boot Power Source: USB Bus Power Supply (4.5V to 5.5V) Data Preservation: Data is Preserved for at Least 10 Years Applicable Models: PCs of Various Brands and Compatible Computers, for Macintosh, for Powerbook, for iBook Operating System: for Win7 8 XP 98 Me 2000, Etc. Working Current: