Qmote: Water Resistant Smart Remote for iPhone0
Meet the Qmote: a compact, single-button remote control that lets you get things done faster on your phone. Whether you want to control your phone while driving, present things, or interact with your smart home, the Qmote has you covered. Qmote is fully IFTTT integrated, which is a plus. The device weighs 6 grams and connects to your smartphone via Bluetooth Smart. It is IPX7 water-rated.
The Qmote can be used to control music, make a fake call, record audio/video, send SMS, start navigation, launch apps, activate Siri, and mute an incoming call. The CR1620 battery lasts for up to 12 months. You can find the project on Kickstarter.