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
