Mini USB Drive 4GB 8GB 16GBusb Drive

Features: ·Compatible with USB 2.0 version ·hot swap · Durable solid state storage · External power supply without USB port 4.5 V~5.5 V. · Compatible with USB 1.1 / 2.0 · Operating temperature: -10 to + 55Deg. C · Storage temperature: -20 to + 55Deg. C Life: > 1 million times · Read rate: 12 Mb-18 MB / S write rate: 4-6 MB / S. ·Excellent USB stick status capacity: 4 GB = approximately 3.6 GB-3.8 GB 8 GB = approximately 7.4 GB-7.6 GB 16 GB = approximately 14.4 GB-14.8 GB 32 GB = approximately 28.5 GB-30 GB 64 GB = about 58.5 GB-60 GB 128 GB = approximately 110 GB-124 GB   note: 1To avoid data loss or mechanical damage, do not turn off the computer or unplug the flash drive during transmission. 2 Do not remove the USB flash drive while using it, otherwise data may be lost. 3. After using a USB flash drive, it is best to remove it as soon as possible. This will help extend its storage life