Features: 1.Electric guitar/bass to smart phone converter helps to achieve the perfect sound effects of your instrument 2.It applies to the app of effects, turners and recording software in the smart phone 3.Compatible with the smart phone or tablet which have the same type of earphone jack for iPhone/for iPad 4.Compatible for iOS and for Android system. Also suitable for some Android smart phones and tablets 5.It is easy to install and can be used for a long time. Useful accessory for electric bass and guitar players specification:Description: Our FC-21 converter creates an easiest way to help to connect the effects app on your phone to the electric guitar or electric bass, and send your instruments' signal to speakers or headphones to play, to achieve the perfect sound effects. Electric guitar/bass to smart phone converter helps to achieve the perfect sound effects of your instrument. It applies to the app of effects, turners and recording software in the smart phone. Compatible with the smart phone or tablet which have the same type of earphone jack for iPhone/for iPad. Compatible for iOS and for Android system. Also suitable for some Android smart phones and tablets. It is easy to install and can be used for a long time. Useful accessory for electric bass and guitar players. Instructions: 1. Just plug the FC-21 converter into the device's headphone jack, your instrument into the FC-21 converter, and connect the output of this converter to an amplifier or another device that has line input, just like a mixer, keyboard, or synthesizer. 2. You can download software guitar amp & effects system. 3. If you listen to the sound through headphon the output jack will automatically mute. : Condition: 100% Brand New Brand: Flanger Model: FC-21 Main Color: White Suitable for: electric guitar, electric bass Guitar Input: 6.35mm Headphone Output: 3.5mm stereo Speaker Output: 6.35mm Size: Approx. 6.5 * 3 * 1.5cm / 2.5 * 1.1 * 0.5in Weight: Approx. 38g Package Included: 1 * Electric Guitar/Bass to Smart Phone Converter