Metal Cover Smart Key Quick Button for 4.2 android Cellphone

Metal Cover Smart Key Quick Button for 4.2 android Cellphone Description: 1. Small and portable. 2. Connections: 3.5mm 3. To provide users with fast, free interactive experience. 4. High quality 3.5mm Stereo Shortcut Buttom adaptor. 5. Connector: Gold or nickel plated. 6. This Buttom adaptor is easy to use and handy, if you need to open a Menu of mobile phone,just press the Shortcut Buttom to start your favorite functions quickly. 7. Precise and professional made, stable