Item Type: Flash Disk Material: Metal Interface: USB 2.0 Backward Compatible Transmission Rate: 4Mb-20Mb/S Compatible System: For Window2003/XP/Vista/7/8/10/OS X/Linux Applicable Equipment: Computer, Car, BT Speaker, TV and Other Devices That Support USB Expansion. 1、The transmission rate of the memory stick is 4Mb?20Mb/S. It adopts all?metal integrated design with cover, which protect USB effectively. The USB also comes with an anti-lost lanyard. 2、Ample storage space allows you to back up your photos, record good memory videos, listen to music or books in the car, provide power point presentations or projects and normal file backup. 3、This flash drive is waterproof and can be used dry even if it is accidentally dropped into the water. The USB is designed with breathing light, which is beautiful and fashionable. 4、The high?quality metal shell is durable and provides you with reliability, because the metal shell provides you with protection against dust, water, temperature and shock. 5、The memory stick is suitable for for Window 2003/XP/Vista/7/8/10/OS X/Linux. Compatible with all devices with USB?A port desktops, laptops, tablets, TVs, speakers. 1 x Flash Disk 1 x Anti-Lost Lanyard