Meet the Blade speaker: a credit card sized smart bone conduction speaker that turns anything hollow into a speaker with volume range up to 115dB. You can pair it with another unit to experience stereo audio. The Blade speaker delivers omnidirectional sound. You can attach it to your guitar, luggage, and other surfaces to experiment with it.
The Blade produces different sounds on different surfaces. It is only 3mm thick, weighing 40 grams. The battery lasts for up to 4 hours. This speaker comes with Bluetooth 5.0 technology. You can find out more about it here.