the third generation Mini wireless earpiece 405 clear color

this is the new gerneration earpiece has 2 colors skin and clear. the new one is better then old one. this one is save electric and more smaller. work with original sony 337 battery the life is 10-20hours. and size is 5.5(W)x5.5(W)x10(L)mm Description: Mini wireless earpiece is a micro-mini wireless inductive receiver which transforms audio signal through electromagnetic induction. These products make the covert communication possible when it is inconvenient to expose