Item Descriptions: -USB to TTL adapter with CP2102 chip are stable and reliable. -Supports baud rates from 300bps - 1Mbps between. -Input MICRO MINI-USB cable connected to the computer USB interface, with 3.3V and 5V two power output. -Apply for USB to TTL electronic projects, easy to connect to your MCU, Status LED for TX, RX. -Support for operating systems: 98SE, 2003, XP, Vista, Window7, 8,10, Mac OSX , Linux 2.6.x and 2.4.36. Package: 2x CP2102 USB to TTL Serial Converter Item Specifications: Connector:USB Chip:CP2102 Baud rate:300bps-1Mbps Output voltage:3.3 V and 5 V Total length:47.5mm Module size:26x15mm