Multifunctional adapter, calling/charging/ music/mic/in-line control/DAC HiFi sound quality, restoring stereo sound effect Fast charge your device while you listen to music Apple original C100 Chip, Lossless audio conversion Compatible with the latest iOS system, no pop out window alert Anti-oxidation connector, stable connection without looseness, 10000+ plug lifespan Anti-fracture design, 10000+ bend lifespan Aluminum alloy shell, tough & hard-wearing, scratch resistant