Features: - The guitar is the instrument interface adapter and the guitar software and low tone easy to use - Adapter in the headphone jack - Insert the adaptation of the bass guitar - Press the headphones or external speakers on the headphone jack adapter - You can turn on and start shaking Descriptions: - The ultimate mobile guitar amp effects rig system for iphone/ipod touch/ipad - Download free software from iTunes App Store from Ampli-Tube, IPhone, iPod or iPad adapter into the headphone jack - Insert bass-guitar adaptation - Stresses headphones or external speakers into the headphone jack adapter. You can turn on and begin to shake Ampli-Tube use Specifications: - Material: pvc - Colorblack - Size: Diameter 2cm, height 7cm - Applicable: iPhone / iPad / iPod Package Included: - 1 x guitar interface converter - 1 x User Manual Note: - Please allow slight error due to manual measurement. Thanks for your understanding. - Monitors are not calibrated same item color displayed in photos may be showing slightly different from the real object. Please take the real one as standard.