Features: Two-in-one design: The RTL8723DU wireless module adopts a two-in-one design, integrating WiFi and Bluetooth-compatible functions into a USB module, making it convenient for users. Stable transmission: This module uses high-quality chips and advanced technology to provide stable and fast wireless transmission, ensuring smooth data transfer and reliable signal connection. Easy to use: It can be used by connecting to a computer or other device via a USB, without the need for additional installation programs or complex steps, making it very easy and convenient. High-speed transmission: Supports wireless transmission speeds of up to 300 Mbps, which can meet users' needs for fast internet connection, as well as high bandwidth requirements such as real-time data transfer and online entertainment. Bluetooth-compatible function: In addition to WiFi connection, it also has a powerful Bluetooth-compatible function, which allows users to wirelessly transmit with other Bluetooth-compatible devices, such as Bluetooth-compatible headphones, speakers, keyboards, etc. Wide compatibility: This wireless module is compatible with various operating systems and is suitable for different devices and platforms. Specifications: Chip: RTL8723DU 6223E-UUD Standard: 802.11b/g/n Frequency: 2.4GHz Connection: USB Working mode: softap, station Dimensions: approx. 12.9x12.2x1.6mm Power: 3.3V Current: not more than 450mA Note: Please allow 1-2cm error due to manual measurement, please make sure you don't mind before ordering. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Package includes: 1pc RTL8723DU wireless module