【Dual-Band Connectivity】 Supports both 2.4GHz and 5.8GHz frequencies, offering a combined speed of up to 350Mbps for fast and stable wireless connections. 【BT Integration】 Features BT 4.2 functionality, enabling wireless transmission and connectivity with various BT devices such as speakers, headphones, keyboards, and mice. 【AP Mode Capability】 Can function as an access point, allowing mobile devices to connect wirelessly when internet access is available. 【Compact Design】 Ultra-small form factor measuring just 27x16x7mm, ensuring minimal space usage when plugged in. 【Wide Compatibility】 Supports Windows 7/8/8.1/10 operating systems, catering to a broad range of computer setups. Specifications: Dimensions: 27 x 16 x 7 mm Interface: USB 2.0 Wireless Frequencies: 2.412~2.484GHz, 5.180~5.825GHz BT Version: 4.2 Wireless Standards: IEEE802.11a/b/g/n/ac Transmission Rates: 11b: 1/2/5.5/11Mbps; 11g: 6/9/12/18/24/36/48/54Mbps; 11n: 200Mbps; 11ac: 433Mbps Transmit Power: 18dBm Security Features: WPA-PSK/WPA2-PSK; WPA/WPA2; WEP Operating System Compatibility: Windows 7/8/8.1/10 (32-bit, 64-bit); for MacOS 10.6~10.15 Operating Temperature: 0℃ to 40℃ Storage Temperature: -40℃ to 70℃ Operating Humidity: 10% to 90% RH non-condensing Storage Humidity: 5% to 90% RH non-condensing