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 performance.

8. Application: For 4.2(or above) Android smartphone Mobile phone.

9. Weight: about 1.0 g.

10. Silvery molded,copper shell, metal cover.   

11. The shortcut is for Android smart phone, as long as it is plugged into the headphone jack, you can quickly activate the corresponding function by default gestures.

Operation Steps:

 1. Insert the button into audio jack of phone.

 2. Download an APP (free download)

 3. Use the APP Ukey to Click "+" to add the corresponding gesture with function what you like.  Such as: click one time is Music, click twice is Camera, click three times is Phonebook, and so on.

 4. Seting finished, start to use now.