GranVela RT10 High Definition In-Ear Headphones with Replaceable Shell Earhook Earbuds - Noise isolation Earphones Carbon fiber composite nano-technology in the diaphragm moving coil unit and mixing wonderful material make low dive deeper, more explosive transient performance, so that the headphones provide you the music full of youthful passion. The headphone panel IML mold inserts injection molding process with detachable design gives the headset more creativity and vitality. Sound Isolation technology prevents outside noise from interfering with your audio experience, whether on-stage or on-workout 3.5mm universal gold-plated antioxidant lossless transmission plug, with fine workmanship for reducing signal transmission loss and detail fidelity for all types of portable audio devices. Packed with 3 Different Size Silicon Ear Tips (S/M/L), 3 Color panels, Earphones Bag