Bassbuds Classic Collection Gold Plated 3.5mm In Ear Headphones with Genuine Swarovski Element - Green Crystal-clear HD audio via Advanced Crystaltronics Virtual Surround Sound Technology with Integrated high-quality Microphone with Call/MP3 controller (compatible with all smart phones). Genuine Swarovski Elements, the premium brand for fine loose cut crystals, embedded into the design. Anti-tangle, durable, double-wrapped cable. Precision cut, high-quality aluminium housing Gold-plated 3.5mm audio jack for optimum connectivity and sound quality