1. USB port provides high-speed data transfer and device power charging
2. The lead wire is standard with USB and 3.5mm plug
3. Material: copper core
4. Voltage: 12V
5. Use: car audio modification accessories
6. Applicable models: suitable for vehicles with USB and 3.5mm AUX input
7. Cable length: about 1.5m
8. Hole size: about 30 x 17mm