Using FT232RNL chip Supports OS, Linux, Android, WinCE, 7/8/8.1/10/11 Support setting VCCIO3 power supply modes through jumper caps: VCCIO-5V:5V external power supply VCCIO-3.3V: 3.3V external power supply Not connected to jumper cap: powered by external source (supports 3.3V~5V) Onboard 3 LED indicator lights: TXD, RXD, PWR TXD, RXD, #, and # are all led out using bent pins Other function PINs: Reserved solder pads (can be inserted up or down to access the user system; PIN spacing Support insertion of universal board) Easy Integration: Comes in a compact design with simple plug-and-play functionality, requiring minimal setup for full operation. and Reliable: Built with quality components to and consistent performance Specification: Type A Color: Blue Material: Plastic+Metal Package Contents: 1 * Module 1 set * Accessories Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.