Meet the Blade: a super thin bone conduction speaker that transforms anything hollow into a speaker. You can put it on your guitar, photo frame, mirror, bike helmet or anything else to experience different sounds. The Blade weighs only 40g in total, measuring only 3mm thick.
This speaker comes with Bluetooth 5.0 and a custom bone conduction transducer. It also has an omnidirectional microphone built-in. It runs on a 400mAh battery.