Connects an RS-232 serial device to a USB port ; Compatible with Android(TM) tablets/phones with USB Host Mode (OTG) support & OS version 3.2 & above; Connectors: USB-A male/DB9 male; Portable design is ideal for use with a PDA or digital camera; Does not require external power; Supports data transfer rates up to 230Kbps; Premium double-shielded cable with tinned copper braid & aluminum Mylar(R) foil shield that eliminates cross-talk & reduces EMI/RFI interference; Compatible with Windows(R), Mac(R) & Linux(R) computers & Android(TM) tablets/phones; Prolific PL2303RA Chipset; 3-year warranty;