... and high separating degree three-dimensional sound effect, use DIGITAL and PLL phase lock technology. 2,With LCD screen ... back light in the central design. 4,Radio frequency(FM 87.5~108.0MHZ). 5,A storage at time ... features: *The unique high-grade visual design.*use DIGITAL and PLL phase lock technology,The launch of stable frequency ... wave and harmonic wave:<-35db folding wireless mini FM Transmitter