Thank you for viewing. I opened it for listing, but it is new and unused. Operation not confirmed. 【Product Description】 ◎ Robust Design Provides a fast and easy way to connect devices with RS232 level serial interfaces to USB. Provides access to UART transmit (RS232 Tx), receive (RS232 Rx), VCC (5V), and GND connections. ◎ Plug and Play Functionality USB specification 2.0, CH340 driver compatible. ◎ Operating System Compatibility Compatible with Windows XP / 7 / 8 / 10 32-bit / 64-bit, Linux, Wince, Mac, Vista, etc. Baud rate: 300 bps to 1.5 Mbps. ◎ Contents ・ WitMotion USB-RS232 Serial Cable (1 meter) --- WitMotion USB to RS232 UART Converter Cable (with CH340 chip), terminated with a 4-way female socket header, serial adapter (1 meter, black), Windows 10, 8, 7, Linux MAC OS ◎ Please understand that this item is stored at home before purchasing. Please refrain from purchasing if you are a nervous person who is concerned about minor details or if you are looking for a perfect product. I have many other items for sale♪ ↓ Bulk purchases are welcome #muchikaitemsパソコン (muchikaitems PC) #muchikaitems家電 (muchikaitems Home Appliances) #muchikaitems ★2-22-299-239