The jumper clamp is sturdy and durable, and the cable is long enough to be convenient to use. WHAT YOU GET - You will receive 1 X Portable Battery Starter, 1 X Jumper Cables, 1 X USB-C Cable, 1 X Cigarette Lighter Converter, 1 X Carry Case, 1 X User Manual, and a professional & 24-hour online after-sales team for any issues.