1. Material: ABS + TPE 2. Current: 3 A 3. Chip protocol: Reltek 4. Function: charge, listen to music, call, line control 5. Applicable: 3.5mm interface device 6. The cable body is flexible, resistant to pulling and durable 7. Small size, easy to carry 8. No need to install driver, responsive 9. High purity oxygen-free copper wire core, strong conductivity, shielding current interference