Description: This is a key shape Vintga USB flash drive. It is very convenient for you to store large files, large photos, video, high speed transmission. Very small, super light, waterproof. At the same time, its appearance is attractive. 64G and 32G storage capacity are alternative. Features: 1. It is made of metal, high end design and portable. 2.It is waterproof and dustproof as well as shockproof. 3.Easy to operate, plug and play, no drive required. 4.Perfect for storing pictures, videos, and songs and other kinds of data. 5.It has Maximum Reading and writing Speed and longer life span compared to the average life of others driver. Specifications: Size: Approx. 6.3*1.4*0.9cm Condition: 100% Brand New Material: Stainless steel Weight: Approx.10g Maximum Reading Speed: 15-20(MB/s) Maximum Write Speed: 5-10(MB/s) PC Interface: USB2.0 and Micro USB Compatible with: all the phones which support OTG functions including USB and Micro USB interface Support Micro SD Card/USB Disk: 32GB,64GB(Optional) Working Temperature: -20℃-60℃ Technical parameters: The hardware requires PC with USB interface, laptop, MAC operating system windows98/ME/2000/XP/7, MAC OS 9.x/MAC OS Linux2.4, mobile phone, tablet and other terminal devices Note: 1.This product is waterproof, however, you have to wait the water of driver dry up after the device was dropped into water, otherwise, the device will be destroyed. 2. Actual capacity 1GB = Approx. 920MB - 999MB 2GB = Approx. 1.8GB - 1.9GB 4GB = Approx. 3.75GB - 3.9GB 8GB = Approx. 7.4GB - 7.85GB 16GB = Approx. 14.2GB - 15.8GB 32GB = Approx. 28.2GB - 30GB 64GB = Approx. 58GB - 60GB 1、It is made of metal, high end design and portable. 2、It is waterproof and dustproof as well as shockproof. 3、Easy to operate, plug and play, no drive required 4、Perfect for storing pictures, videos, and songs and other kinds of data. 5、It has Maximum Reading and writing Speed and longer life span compared to the average life of others driver.