1The chip has been strictly tested, no files will be lost, making your use safer. 2With a stable adapter, the phone can easily read the music videos and photos in the USB flash drive. 3U disk adopts black colloid packaging technology, which is safe and reliable, and has the characteristics of pressure resistance and high temperature resistance. 4It is made of highquality aluminum alloy with good quality and long service life. 5This product is small in size and light in weight, so it can be easily carried anywhere. Condition:100% Brand NewItem Type:USB Flash Disk Data Transfer Rate: 10-20 (MB/s) Maximum Reading Speed: 20-30 (MB/s) Maximum Writing Speed: 8-15 (MB/s) Interface: USB 2.0 1 xUSB Flash Disk