beaded earbud use in PC&DJ&mobile phone etc. hight quality with various colors and the best price materail:plastic bling earphone /MP3/MP4 earphone 1.various stone color are avaliable. 2.fashioneable design and useful. 3. the typical feature is inlayed with crystal (Taiwan acrylic stone ,glass stone,Czech stone,Swarvoski stone)Transducer:9UImpedance:32Ω±15%Sensitivty:85±6dB at 1KHz,6mW,Frequency ...