Feature：
The I/O pins of the USB to serial adapter wire are configured to operate at 3.3V logic level - Entire USB protocol handled by the electronics in the cable;

UART interface support for 7 or 8 data bits, 1 or 2 stop bits and odd / even / mark / space / no parity;

Data transfer rates from 300 to 3M baud rate at TTL levels;

Internal EEPROM with users writable area; Supply voltage comes from USB bus, no external supply required;

Parameter：
Built-In TTL COM PC-PL2303HX Chip
Interface A: USB 2.0 type A Male Port
Interface B: 4 pin Female Socket flying leads
Supports Windows 2008, XP and XP 64-bit, Vista and XP 64-bit, CE 4.2, 5.0 and 6.0; Windows 7, 8, 8.1, 10 (32 and 64-bit);
Cable Colour: Black
Wire Length: 1.0 Meter

Connection:
VCC Red: +5V
Black: GNDv Green: TXD
White: RXD

Package contain:
3PCS USB to Serial TTL Level Converter Cable