Detail information of products

1:43 R/C TRACK (OFFICIALLY LICENSED BY AUDI AG) USB (INCLUDES: 2 RACING CARS, 2 WIRED CONTROLLERS, 1 SET OF TRACK, 1 USB CABLE; FUNCTION INTRODUCTION: BRING YOUR OWN POWER BANK OR PHONE CHARGING PLUG, USE THE USB CABLE TO CONNECT DIRECTLY TO THE TRACK FOR POWER SUPPLY. THE REMOTE CONTROL AND CAR DO NOT REQUIRE BATTERIES, AS THE MOTOR GENERATES ELECTRICITY AND THERE IS NO BUILT-IN LITHIUM BATTERY; TRACK LENGTH: 7.5M, TRACK SIZE: 163*85*36CM)