Smartphones and the growing popularity of tablet PCs, the pursuitof good light to carry, looks increasingly thin. But the soundquality was notSynchronous evolution in thin 3C products, the speaker resonancespace is needed, thin speaker can not play good sound quality. DOLOunderstandConsumer demand, starting in 2012, developed a series of goodlightweight portable Bluetooth wireless audio, so you can be smart3C productsPlay a more perfect audio and video performance.