Features:USB INTERFACEUSB interface, it is suitable for computer, mobile phone, laptop, TV set-top box. The product has a wide range of compatibility, fits for Windows Vista, fits for IOS system.DUAL FREQUENCYDual frequency design, designed with two external antennas, it supports 2.4GHz--400Mpbs, 5.8GHz--867Mpbs, can be adjusted to find better wireless signals.STURDY DURABLEWireless network card is made of ABS plastic material, featuring high toughness, tough and durable. It is durable and not easy to break.PLUG AND PLAYBuilt-in driver software, no driver installation, after plugging into the computer, the computer will automatically read the driver, plug and play.MINI PORTABLEUSB WIFI receiver is (L x W x H)about 82.5 x 36 x 10mm/3.25 x 1.42 x 0.39inch, mini and portable, suitable for home, company, travel, business trip.Specifications:Color: blackMaterial: ABSInterface: USBWorking frequency band: 2.4GHz+5.8GHzTransmission rate: 2.4GHz--400Mpbs, 5.8GHz--867MpbsFolded size: (L x W x H)about 82.5 x 36 x 10mm/3.25 x 1.42 x 0.39inchPackage Includes:1pc x USB WIFI receiverNote:1. Due to the light and screen difference, the items color may be slightly different from the pictures.2. Please allow 0.5-2 cm differences due to manual measurement.