Usage Tips: The smallest WiFi router, its size is less than one-half of a bank card, very useful for both business trips and household use. Low power consumption, with total power supply under 4W. Dedicated power supply cable combined with Ethernet cable in one connector, reducing redundant connectors and enhancing convenience. In WiFi intelligent bridge mode, it can automatically detect and configure WiFi modes: a) WiFi AP Client (enables connection from WiFi to wired Ethernet) b) WiFi Hotspot (ideal for hotel room usage) c) WiFi Repeater (extends WiFi signal coverage range) Supports automatic WiFi hotspot scanning and hotspot memory function in bridge mode. Supports 802.11n WiFi protocol with up to 300Mbps transmission speed. Offers excellent compatibility with most smartphones, tablets, notebooks, and WiFi-enabled devices. Three-in-one functionality: professional WiFi router, WiFi bridge, and WiFi repeater. 1 WAN port, 1 LAN port; the two ports are interchangeable. Despite its compact size, it features two ports, making it highly unique. VDNS virtual domain configuration technology simplifies user setup. Features temperature-compensated automatic frequency control technology (TAFC) for stable and reliable WiFi performance without signal drops. Powered via USB (DC 5V). Interface: 1 x 10/100M adaptive Ethernet female port Dedicated two-in-one power and Ethernet cable included Ethernet cable supports LAN/WAN port interchangeability Button: Reset button (press and hold for 5 seconds) Antenna: Built-in intelligent omnidirectional antenna Transmission speed: 300Mbps WiFi Protocol: 802.11b/g/n Box dimensions: 9.5 x 9.5 x 2.2 cm Box weight: 65g Color: White Material: ABS+PC Maximum transmission distance: Up to 100 meters (open space) Main device size: 4 cm