As per a recent patent filing with the European Union Intellectual Property Office (EUIPO), Huawei might be looking to spice things up within its smart accessory business. The Chinese giant already has its FreeBuds 3, truly wireless headphones out on sale in many markets, including Europe. And, in fact, in the wake of the ongoing US scandal, has been pushing these and other accessories hard in places where it is currently facing issues with traditional smartphone products. Thus, it was hardly surprising to see that another pair of earbuds, of some sort, is on the horizon. The story...