Features: A combination of easy-to-use instrument interface adapter and guitar tone. Plug the adapter into the headphone jack of your iPhone. Plug your guitar or bass into the adapter 1/4 jack. Plug your headphones or external speakers into the adapter headphone jack. 100% brand new and high quality. Item type: guitar adapter Material: plastic+metal Color: black Plug: 3.5mm earphone jack Package includes: 1 x Guitar Interface Converter