The HIMK MK-331 is a compact all-in-one emergency device combining a powerful car jump starter and a 150 PSI air compressor. Powered by an 8000mAh lithium battery (12V/90W), it can jump-start your vehicle and inflate tires, balls, and bikes with ease. Features a digital pressure display, 0.2–9.5 BAR inflation range, built-in flashlight, USB output, and Type-C charging. Charges in 4–5 hours and comes with multiple inflation nozzles, jumper clamps, and a carrying pouch.