StarTech.com 1 Port USB to RS232 DB9 Serial Adapter with Detachable 6ft USB A to B Cable Type: USB/Serial Type: Others Color: Black Connector Number: 2 Connector Detail: Connector on First End:1 x 4-pin Type B Female USB 2.0 USB Connector on Second End:1 x 9-pin DB-9 Male RS-232 Serial Length:2.3 Specifications: Package Contents 1 x USB to RS232 Adapter 1 x 6ft USB Cable - A to B 1 x Driver CD 1 x Instruction Manual