Meet the Cynaps Mint: a 3D-printed, modular bone conduction headset that lets you enjoy your music or phone calls without having to block your ears. The device is highly customizable and can be worn in various ways. You can wear it on your hat or helmet and connect it to your smartphone via Bluetooth. The Cynaps Mint can also be used as a stereo vibration speaker system. You can find out about it on Indiegogo.