RS232 to TTL/ HL-340 Module + USB to RS232 Adapter Cable - Blue + Black
Can be used for programming MCU type: STC STM32 NXP NEC and renesas MCU Specification: Working voltage: 3.3~5.5V; Interface: TX RX VCC GND; Communication chip: MAX3232; Widely used in XBOX360 GPS DVD Router and Cellphone upgrade etc.