Multifunctional adapter, calling/music/mic/in-line control HiFi sound quality, restoring stereo sound effect Smart DAC digital decoding chip, lossless audio conversion Intelligent recognition of audio access, plug-and-play Compatible with Samsung, Xiaomi, OPPO, Huawei, iP pads, laptops, and more Anti-oxidation connector, stable connection without looseness, 10000+ plug lifespan Anti-fracture design, 10000+ bend lifespan Aluminum alloy shell, tough & hard-wearing, scratch resistant