1. Process: Aluminum alloy + braided wire + TPE 2. Type-C to 3.5 male audio cable, supports multiple device connection, lossless audio output 3. Support audio transmission function, digital audio sampling rate: 16Bit/48KHz Hi-Res level high fidelity and lossless sound quality 4. Compatible with the audio transmission function of car music, headphones, speakers, mobile phones, computers and other devices 5. Support all devices without 3.5 headphone jack Type-C interface 6. Gold-plated connectors, not easy to rust 7. Length: 1 meter