CablesOnline, 3.5mm Stereo TRRS M to F iPhone/Tablet to Card Swipe/Reader Adapter , IP-AD07 (1) 3.5mm TRRS male stereo plug to (1) 3.5mm TRRS female stereo jack Easily connects your phone or tablet to a mobile credit card reader (PayPal swiper, Square, etc) ; Passes left and right audio output and mic input Gold-plated molded connectors ensure a solid high quality connection between the connected devices ; Reduces wear and tear of repeatedly plugging and unplugging cables or devices into the small TRRS jack inside iDevices Light weight and small design makes for convenient and easy use CablesOnline Part Number: IP-AD07