New Button Pressy Dustproof Plug Earphone 3.5MM Jack Plug for Andriod 4
it's an intelligent shortcut key for Android 4 devices. not compatible with Android2.3 iOS/Window phone)
As long as Klick is inserted into audio jack, you can use preset gestures to start your favorite functions quickly.Due to this add-on button wasn't a build-in feature on the phone, It is using your phone's headphone pinhole to connect to your phone.First operation will be a lightly delay, it will be work smoothly after apps set up complete.
1 x Press Button