With the Universal Mobile Keyboard, getting stuff done while you're on the go has never been easier. Power through emails, put together a proposal, or instant message with a friend. It doesn't matter if you're on your tablet or your smartphone-the Universal Mobile Keyboard was designed to work with ..
On/Off button function: answer/stop phone talking, stop/start music.
General 3.5mm audio jack, suitable for various brand and model phone, mp3, mp4, etc.
In-ear earbud with comfortable silicone cover.
With mic and volume control function...