Features: Metal with key chain U disk, easy to carry, 8.3g weight, compact mini, storage does not take up space. USB2.0 connection, hot swappable, no external power supply required. Convenient data storage device that makes it easy to bring data home, office, school or anywhere else. 16G large capacity U disk, no need to delete your valuable data, easy to read and store at high speed. Support multiple devices, plug and play, support TV, desktop, notebook, router and many other devices. Specifications: Material: Zinc Alloy Interface: USB2.0 Read-write speed: 12MB/s Operating temperature: 0-60℃ Storage temperature: -25-85℃ System requirement: For Windows Vista/7/10, For Mac OS And Later Package list: 1 x U Disk Note: After connecting the USB flash drive to the computer, it is best not to directly manipulate the file in the USB flash drive. First copy it to the computer and then operate it. After the U disk is used, please do not connect it to the computer for a long time. When it is used up, you should unplug it. After the U disk is used, please delete the hardware at the bottom right of the computer and then pull the U disk, otherwise it will easily cause file loss. Data loss may be caused by the following aspects, including sudden power failure, unstable power supply, abnormal plugging, accidental deletion, incorrect formatting, virus damage, electrostatic breakdown, encryption and permissions, firmware upgrade, electromagnetic interference, etc. 1、Metal with key chain U disk, easy to carry, 8.3g weight, compact mini, storage does not take up space. 2、USB2.0 connection, hot swappable, no external power supply required. 3、Convenient data storage device that makes it easy to bring data home, office, school or anywhere else. 4、16G large capacity U disk, no need to delete your valuable data, easy to read and store at high speed. 5、Support multiple devices, plug and play, support TV, desktop, notebook, router and many other devices.