new TECHKEY usb flash drive 64GB 32GB 16GB 8GB 4GB pen drive pendrive флешка waterproof silver u disk memoria cel usb stick gift

  new TECHKEY usb flash drive 64GB 32GB 16GB 8GB 4GB pen drive pendrive waterproof metal silver u disk memoria cel usb stck gift Specifications : Interface: USB 2.0 Read Speed: 8MB -15MB/second Write Speed: 4MB -6MB/second Power: No external power required Compatibility For Macs and PCs About Capacity : Due to different ways of computing, or the existing bad block, or some built-in software ,  the memory capacity of the usb flash drive may show less on the PC . And the more capacity is, the more deviation is. Storage Industry Area calculation method: 1GB=1000MB=1000*1000KB=1000*1000*1000B Operation System calculation method: 1GB=1024MB=1024*1024KB=1024*1024*1024B 4GB=approx 3.5GB - 3.7GB 8GB=approx 7.4GB - 7.6GB 16GB=approx 14.0GB - 15GB 32GB=approx  28.0GB - 30GB 64GB=approx  58.0GB - 60GB 128GB=approx  110.0GB - 120GB Customer Logo : 1.Order over 50 PCS,no printing fee required 2.Order more than 20PCS , less than 50 pcs , we charge $2 printing fee. 3.It should be noted that our logo is laser printed and has no color. If you need a custom logo, please contact our customer service. Note : 1. To avoid data loss or mechanical damage, do not turn off the computer power during transmission. 2. Do not remove the USB flash drive during use, otherwise data may be lost. 3. After using a USB flash drive, it is best to safely eject the USB flash drive on your computer, which will help to extend its storage life. 4. Please use FAT32 or exFAT to format the memory disk. Please do not format your USB flash drive frequently, otherwise the USB will be damaged easily. Package included :1 x USB flash drive