to the point of frustration. It was easy to install myself, I just followed the included directions. tungsten carbide quality (They float, hard to lose! I had originally liked these so much, I purchased a pair for my wife; she is having the same defect issue. tungsten carbide quality llego perdcto en tiempo y el material es abrigador para epoca de lluvia y estar en casa es práctico tungsten carbide quality Finger tighten as much as possible before using the allen wrench or you will be cursing at everyone and everything. 3) People complained that the pieces were chipped or scuffed - big deal! Ruins what would otherwise be the best value in earbuds out there. tungsten carbide quality I replaced with different stronger screws and it is much more secure. No batteries included and eight are required.
tungsten carbide quality