Our USB flash drive with storage function usually apply to office working and school teaching, also can be as a gift etc.
The Bluetooth speaker worked with USB drive, TF card, mobile phone, palmtop&desktop, can be used to listen to music, answer the phone, listen to the video and so on.
Wood Credit Card USB Flash Drive
other style USB drive
1pcs/single bag Or gift box packing
base on your requirement
4 working days
depend on the quantity
12-20MB/SEC Read,3-10MB/SEC write
15-20MB/SEC Read,3-7MB/SEC write