Vonets VRP300 N300 Wifi Repeater wireless Extender Adapter Three-step easy installation. Suit for smart phone, tablet, PC The transmission distance (without obstacle) : 100m Support 802.11b/g/n WiFi transmission protocol, 300Mbps rate of transmission Retractable pins, safety portable, separate design, more convenient to take power Built-in 2.1A fast charge, can charge the mobile device fast while Wifi Internet access at the same time