Features: brand new and high quality Small-sized plug that is used without removing the protective for case. Use barrier-free antioxidant alloy material. Built-in new upgraded for smart chip, charging does not hurt the machine Multi-functional usage, charging listening and answering calls 3 in 1. Single type -C interface gospel, double decoding chip with high sound quality and enjoy hifi original sound Specifications: Type: USB-C to 3.5mm Audio Adapter Size: Approx 5x2x1/1.97x0.79x0.39in Color: Black / Red / Golden/ Silver / Rose Gold (Optional) Material: Alloy Interface: Type-C, Audio Quantity: 1 pc Note: Due to the problems of lighting effects and shooting angles, there will be certain tolerances in the product, please understand. Please allow 0-1cm error due to the manual measurment Package includes: 1 x Type-C Audio Adapter