Upgrade to 7 USB 3.0 Ports - Instantly expand connectivity for flash drives, printers, keyboard/mouse combos, and VR accessories. Supports simultaneous 5Gbps data transfer & charging. 10x Faster than USB 2.0 - Transfer HD movies in 18 seconds (vs 3+ minutes). Backward compatible with USB 2.0/1.1 devices. High-Quality Aluminum - CNC-milled unibody with 360° heat dissipation, tested for 10,000+ plug cycles. ultra-slim and lightweight design can be tucked into your bag easily. Wide Compatibility: Compatible with most operating systems, Windows, Mac OS, Linux 2.1.6 and above; Plug and Play. Triple Protection System - Smart IC chips prevent over-voltage/current/short circuits. FCC/CE certified with 18-month warranty.