Main Features:
● 4 Downstream ports and 1 upstream port
● Complies with USB specification 1.1 and 2.0
● Supports high-speed， full-speed and low-speed USB device profiles
● Per-port over-current detection and protection
● Supplies USB bus power
● Automatic switching between self-powerd and bus-powerd mode supports plug and play
● Pocket size with Micro USB connector