Description Features:The anti-interference ability has been increased, new technologies have been adopted to reduce the loss of transmission efficiency caused by interference in the 2.4 GHz band.Fast and further working distance than bluetooth 4.0 Supports Bluetooth speakers, headphones, headsets, keyboards, mice, and more.Dual frequency band: The 2.4GHz frequency band has strong compatibility and long transmission distance; the 5GHz frequency band channel has less pure interference and low delay.Can work with Bluetooth printer and stereo headphone maximum transfer rate up to 3Mbpsand transmission distance up to 33ft/10M in open space.Extremely compact USB adapter allows you to leave it on laptop or PC, no need to remove, without blocking surrounding USB ports, save space.This network card comes with windows driver, plug and install driver, the operation is simple and fast.Specifications:Material: ABSColor: blackSize(L x W x H):about 29x15x7mmInterface type: USBBluetooth version: 4.2Wi-Fi band: dual band 2.4G/5GChip model: RTL8821CU+Bluetooth 4.2VUSB version: USB 2.0Working temperature: 0 - 40 storage temperature: -40 - +70 Transmission rate: 2.4~150Mbps/5GHz~433MbpsWireless standards: IEEE 802.11g, IEEE 802.11b, IEEE 802.11nPackage included:1pc x wireless network card1pc x bluetooth driver CD1pc x instructionsNote:1. Due to the light and screen difference, the item 039;s color may be slightly different from the pictures.2. Please allow 0.5-2 cm differences due to manual measurement.