?Warranty Service?: If there is any problem with the product, please contact our customer service staff in time, and we will answer your questions as soon as possible. ?Plug and Play?: Plug and play, high-performance Type-C to Type-C decoding line OTG upgrade line, durable, not easy to wind, the total length of the amplifier line of the decoder earphone is 120mm, and the diameter is 5mm. Compact and portable. ?Wide Compatibility?: compatible with Type C port to connect decoders, power amplifiers, music players, etc. Compatible with Samsung galaxy s21+/s21 ultra/s20/S10/note10, laptop, PC, fiio btr5/btr3k/btr3/btr5-2021/jade audio ka1/hibyfc3 and other devices. ?High-Fidelity Sound Quality?: HIFI high-resolution sound quality, which can provide higher performance and sound quality transmission. Amp cable uses four individually insulated wires as conductors. The wire adopts high purity silver-plated OCC, low power consumption, ultra-low distortion, no noise and double protection structure. ?TYPE-C Digital Decoding Cable?: This USB C to USB C digital decoding line, which supports audio playback and charging. Built-in high-performance DAC decoding chip, the beauty of music, let me bloom for you. ?with usb adapter?.