Guitar Adapter for iPhone or iPad for electric or bass guitar. Instrument Input 1/4" Jack (6.35 mm), the output of link-thru 1/4" Jack (6.35 mm) for an amplifier, stereo mini jack (3.5mm) headphone jack, monitors and the like. Supplied with SP2 cable for connecting mobile devices. Adapter works with iPhone 3G and higher models, iPad (all models), iPod Touch 2 and higher models. Compatible with other platforms (eg. Android, Blackberry, Windows Phone etc.). Great in their own songs or recordings of live performances. Adapter requires no power, black color design.