So you want to be become a better swimmer? Swimbot can help. It is a smart device that slips under your swim cap and uses bone conduction technology to play audio. It analyzes your moves and provides you with instant feedback. You can sync the device to your smartphone via Bluetooth and share your progress with others.
Swimbot has sensors and a motion tracking software to track your moves. It is waterproof and has a 1000 mAh battery. You can find out more on Indiegogo.