Looks like that amazon has same price on polar express, what is difference between these two models, other than the price obviously?

Lionel Polar Express Remote Train Set - O-Gauge https://www.amazon.com/dp/B00BK5MXQ8/ref=cm_sw_r_cp_api_QjT-BbZ4GAMXQ. $330

Lionel The Polar Express LionChief Train Set with Bluetooth Train Set https://www.amazon.com/dp/B01N3D2VTC/ref=cm_sw_r_cp_api_nkT-Bb2M8XBVW. $250