1. USB specifications: USB3.0x1, USB2.0x3
2. Chip: FE1.1S
3. Product function: used for interface expansion, can expand multiple devices (mobile phones, U disks, cameras, tablets, etc.)
4. With LED blue indicator light, the working status is clear at a glance
5. Product size: aluminum alloy
6. Product size: 9x2.8x1cm