The Orico 4 Port USB 3.0 Hub has beautiful chassis made of ABS material makes it fireproof up to 750°C;, high-quality twisted-pair with aluminium foil shield ensures amazing antijamming capability. Heat resistant ABS material 5Gbps high-speed transmission 4 SuperSpeed USB3.0 ports Over voltage, over current, leakage and short circuit protection Reasonable 4-port USB design Reasonable 4-port USB distribution reserves enough space for bigger plugs, expands 4 USB3.0 ports for your computer or tablet and protects the original port. USB3.0 expansion 5Gbps transmission Copy a standard movie in 9 seconds, faster and more stable, saving much more time. Advanced VIA controller VIA USB3.0 controller makes it compatible with more kinds of computers, cellphones or other devices, performance more excellent. Small size, easy to carry 24mm thick, it is small and easy to put it into your pocket or bag whether on business or having a conference, more convenient. Multi-protection safety system Built-in over voltage, over current, leakage and short circuit protection keeps hub and attached devices safe.