[Excellent Condition] Although this item is unused, it has been opened, so it is listed as "Like New." Provides a fast and easy way to connect devices with RS232 level serial interfaces to USB. UART transmission (RS232 Tx) Reception (RS232 Rx) Provides access to VCC (5V) and GND connections. [Plug and Play Function] USB specification 2.0, CH340 driver compatible Converter cable (with CH340 chip) 4-way female socket header Serial adapter (1 meter, black) Windows 10, 8, 7, Linux MAC OS Immediate purchase is OK. Thank you. 1-36-2588