1，Digital chip IC, available para sa 99% Type-C Smart phone. 2，Classic na orihinal na kalahating in-ear na disenyo, malambot at komportableng isuot at gamitin. 3，Copper ring speaker at multiple diaphragm para sa purong tunog. 4，Remote control, dial on/off, huli at susunod na kanta, volume up/down, madaling ayusin.
