Chinese consumer electronics maker Baseus launched a premium line of audio products at a global trade fair on Thursday, bolstering its international presence at a time when intense competition at home is pushing more domestic gadget firms to look overseas.Shenzhen-based Baseus unveiled its Inspire line at the Internationale Funkausstellung Berlin, also known as the IFA Berlin trade fair, which includes three headphones and earbuds developed in partnership with Bose, the US company known for...