Smart dongle is the new concept key holder type smart accessory with ultra power save Bluetooth 4.0 technology providing maximum battery life up to four months stand-by. User can designate smartphone camera, security, alarm, music function to the remote button within 10 m radius use. Using the different functions is very intuitive with single, double, triple click and long hold. With change in writing color, the user can know the status without the screen. Rubberized surface and precise assembly with compact and soft feel will provide best grip along with 10 m water proof and anti-vibration function for high durability in any environment.