... play time.5Battery: 12V, 60AH, two batteries which can be continued for 7-8 hours.6Charger: Output 24V ... : An integrated MP3 system, with SD card, you can download the music into t the card.8Track: Our ... factory can design and produce the track for the cars, they are strong, good quality and easy to ... of the Car: Use FRP, thicker, more colorful. high-quality inflatable bumper car for kids