ToneTag uses inbuilt features of modern and legacy devices to transfer data over sound. This approach makes the entire process device agnostic and completely frictionless, making the user experience intuitive and highly adaptable. ToneTag sound-wave communication platform enables highly secure proximity payments, customer engagement services and on-the-go mobility solutions. In fact, this is just the beginning, future applications could range from toys to robots to hospitals to mining, the possibilities are limitless.